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Finding the Fourth Proportional to 63,444.88, 87,541.32 and 38,295.76

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Solution

The fourth proportional to 63,444.88, 87,541.32 and 38,295.76 is: 52,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,444.88 : 87,541.32 = 38,295.76 : x
  2. Step 2: Convert to fraction form
    63,444.88/87,541.32 = 38,295.76/x
  3. Step 3: Cross multiply
    63,444.88x = 87,541.32 × 38,295.76
  4. Step 4: Simplify right side
    63,444.88x = 3,352,461,380.80
  5. Step 5: Solve for x
    x = 3,352,461,380.80/63,444.88
  6. Step 6: Final answer
    x = 52,840.53

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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.