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Finding the Fourth Proportional to 8,610.33, 12,894.99 and 5,980.46

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Solution

The fourth proportional to 8,610.33, 12,894.99 and 5,980.46 is: 8,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.33 : 12,894.99 = 5,980.46 : x
  2. Step 2: Convert to fraction form
    8,610.33/12,894.99 = 5,980.46/x
  3. Step 3: Cross multiply
    8,610.33x = 12,894.99 × 5,980.46
  4. Step 4: Simplify right side
    8,610.33x = 77,117,971.90
  5. Step 5: Solve for x
    x = 77,117,971.90/8,610.33
  6. Step 6: Final answer
    x = 8,956.45

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Half scale
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Double scale
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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.