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Finding the Fourth Proportional to 7,547.96, 11,321.93 and 4,950.29

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Solution

The fourth proportional to 7,547.96, 11,321.93 and 4,950.29 is: 7,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.96 : 11,321.93 = 4,950.29 : x
  2. Step 2: Convert to fraction form
    7,547.96/11,321.93 = 4,950.29/x
  3. Step 3: Cross multiply
    7,547.96x = 11,321.93 × 4,950.29
  4. Step 4: Simplify right side
    7,547.96x = 56,046,755.50
  5. Step 5: Solve for x
    x = 56,046,755.50/7,547.96
  6. Step 6: Final answer
    x = 7,425.42

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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.