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Finding the Fourth Proportional to 62,666.64, 93,999.60 and 15,281.16

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Solution

The fourth proportional to 62,666.64, 93,999.60 and 15,281.16 is: 22,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,666.64 : 93,999.60 = 15,281.16 : x
  2. Step 2: Convert to fraction form
    62,666.64/93,999.60 = 15,281.16/x
  3. Step 3: Cross multiply
    62,666.64x = 93,999.60 × 15,281.16
  4. Step 4: Simplify right side
    62,666.64x = 1,436,422,927.54
  5. Step 5: Solve for x
    x = 1,436,422,927.54/62,666.64
  6. Step 6: Final answer
    x = 22,921.65

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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.