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Finding the Fourth Proportional to 61,248.88, 84,523.05 and 38,602.49

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Solution

The fourth proportional to 61,248.88, 84,523.05 and 38,602.49 is: 53,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,248.88 : 84,523.05 = 38,602.49 : x
  2. Step 2: Convert to fraction form
    61,248.88/84,523.05 = 38,602.49/x
  3. Step 3: Cross multiply
    61,248.88x = 84,523.05 × 38,602.49
  4. Step 4: Simplify right side
    61,248.88x = 3,262,800,192.39
  5. Step 5: Solve for x
    x = 3,262,800,192.39/61,248.88
  6. Step 6: Final answer
    x = 53,271.18

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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.