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Finding the Fourth Proportional to 63,460.54, 87,572.54 and 37,980.95

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Solution

The fourth proportional to 63,460.54, 87,572.54 and 37,980.95 is: 52,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,460.54 : 87,572.54 = 37,980.95 : x
  2. Step 2: Convert to fraction form
    63,460.54/87,572.54 = 37,980.95/x
  3. Step 3: Cross multiply
    63,460.54x = 87,572.54 × 37,980.95
  4. Step 4: Simplify right side
    63,460.54x = 3,326,087,920.20
  5. Step 5: Solve for x
    x = 3,326,087,920.20/63,460.54
  6. Step 6: Final answer
    x = 52,411.91

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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.