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Finding the Fourth Proportional to 64,458.96, 96,686.91 and 37,972.92

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Solution

The fourth proportional to 64,458.96, 96,686.91 and 37,972.92 is: 56,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.96 : 96,686.91 = 37,972.92 : x
  2. Step 2: Convert to fraction form
    64,458.96/96,686.91 = 37,972.92/x
  3. Step 3: Cross multiply
    64,458.96x = 96,686.91 × 37,972.92
  4. Step 4: Simplify right side
    64,458.96x = 3,671,484,298.48
  5. Step 5: Solve for x
    x = 3,671,484,298.48/64,458.96
  6. Step 6: Final answer
    x = 56,958.48

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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.