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Finding the Fourth Proportional to 61,298.40, 84,581.12 and 34,442.04

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Solution

The fourth proportional to 61,298.40, 84,581.12 and 34,442.04 is: 47,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,298.40 : 84,581.12 = 34,442.04 : x
  2. Step 2: Convert to fraction form
    61,298.40/84,581.12 = 34,442.04/x
  3. Step 3: Cross multiply
    61,298.40x = 84,581.12 × 34,442.04
  4. Step 4: Simplify right side
    61,298.40x = 2,913,146,056.35
  5. Step 5: Solve for x
    x = 2,913,146,056.35/61,298.40
  6. Step 6: Final answer
    x = 47,524.02

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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.