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Finding the Fourth Proportional to 59,331.96, 89,000.90 and 17,775

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Solution

The fourth proportional to 59,331.96, 89,000.90 and 17,775 is: 26,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,331.96 : 89,000.90 = 17,775 : x
  2. Step 2: Convert to fraction form
    59,331.96/89,000.90 = 17,775/x
  3. Step 3: Cross multiply
    59,331.96x = 89,000.90 × 17,775
  4. Step 4: Simplify right side
    59,331.96x = 1,581,990,997.50
  5. Step 5: Solve for x
    x = 1,581,990,997.50/59,331.96
  6. Step 6: Final answer
    x = 26,663.39

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.