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Finding the Fourth Proportional to 64,417.98, 88,901.91 and 35,740.47

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Solution

The fourth proportional to 64,417.98, 88,901.91 and 35,740.47 is: 49,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,417.98 : 88,901.91 = 35,740.47 : x
  2. Step 2: Convert to fraction form
    64,417.98/88,901.91 = 35,740.47/x
  3. Step 3: Cross multiply
    64,417.98x = 88,901.91 × 35,740.47
  4. Step 4: Simplify right side
    64,417.98x = 3,177,396,047.30
  5. Step 5: Solve for x
    x = 3,177,396,047.30/64,417.98
  6. Step 6: Final answer
    x = 49,324.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.