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Finding the Fourth Proportional to 63,539.92, 87,695.60 and 35,254.72

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Solution

The fourth proportional to 63,539.92, 87,695.60 and 35,254.72 is: 48,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,539.92 : 87,695.60 = 35,254.72 : x
  2. Step 2: Convert to fraction form
    63,539.92/87,695.60 = 35,254.72/x
  3. Step 3: Cross multiply
    63,539.92x = 87,695.60 × 35,254.72
  4. Step 4: Simplify right side
    63,539.92x = 3,091,683,559.92
  5. Step 5: Solve for x
    x = 3,091,683,559.92/63,539.92
  6. Step 6: Final answer
    x = 48,657.34

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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.