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Finding the Fourth Proportional to 61,248.76, 84,522.87 and 38,602.37

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Solution

The fourth proportional to 61,248.76, 84,522.87 and 38,602.37 is: 53,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,248.76 : 84,522.87 = 38,602.37 : x
  2. Step 2: Convert to fraction form
    61,248.76/84,522.87 = 38,602.37/x
  3. Step 3: Cross multiply
    61,248.76x = 84,522.87 × 38,602.37
  4. Step 4: Simplify right side
    61,248.76x = 3,262,783,101.20
  5. Step 5: Solve for x
    x = 3,262,783,101.20/61,248.76
  6. Step 6: Final answer
    x = 53,271.01

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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.