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Finding the Fourth Proportional to 70,695.97, 97,562.32 and 38,432.77

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Solution

The fourth proportional to 70,695.97, 97,562.32 and 38,432.77 is: 53,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,695.97 : 97,562.32 = 38,432.77 : x
  2. Step 2: Convert to fraction form
    70,695.97/97,562.32 = 38,432.77/x
  3. Step 3: Cross multiply
    70,695.97x = 97,562.32 × 38,432.77
  4. Step 4: Simplify right side
    70,695.97x = 3,749,589,865.24
  5. Step 5: Solve for x
    x = 3,749,589,865.24/70,695.97
  6. Step 6: Final answer
    x = 53,038.24

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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.