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Finding the Fourth Proportional to 64,851.93, 97,321.65 and 25,404.12

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Solution

The fourth proportional to 64,851.93, 97,321.65 and 25,404.12 is: 38,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,851.93 : 97,321.65 = 25,404.12 : x
  2. Step 2: Convert to fraction form
    64,851.93/97,321.65 = 25,404.12/x
  3. Step 3: Cross multiply
    64,851.93x = 97,321.65 × 25,404.12
  4. Step 4: Simplify right side
    64,851.93x = 2,472,370,875.20
  5. Step 5: Solve for x
    x = 2,472,370,875.20/64,851.93
  6. Step 6: Final answer
    x = 38,123.32

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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.