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Finding the Fourth Proportional to 61,508.76, 84,888.36 and 37,651.20

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Solution

The fourth proportional to 61,508.76, 84,888.36 and 37,651.20 is: 51,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,508.76 : 84,888.36 = 37,651.20 : x
  2. Step 2: Convert to fraction form
    61,508.76/84,888.36 = 37,651.20/x
  3. Step 3: Cross multiply
    61,508.76x = 84,888.36 × 37,651.20
  4. Step 4: Simplify right side
    61,508.76x = 3,196,148,761.22
  5. Step 5: Solve for x
    x = 3,196,148,761.22/61,508.76
  6. Step 6: Final answer
    x = 51,962.50

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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.