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Finding the Fourth Proportional to 64,463.60, 96,666.60 and 25,007.60

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Solution

The fourth proportional to 64,463.60, 96,666.60 and 25,007.60 is: 37,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,463.60 : 96,666.60 = 25,007.60 : x
  2. Step 2: Convert to fraction form
    64,463.60/96,666.60 = 25,007.60/x
  3. Step 3: Cross multiply
    64,463.60x = 96,666.60 × 25,007.60
  4. Step 4: Simplify right side
    64,463.60x = 2,417,399,666.16
  5. Step 5: Solve for x
    x = 2,417,399,666.16/64,463.60
  6. Step 6: Final answer
    x = 37,500.23

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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.