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Finding the Fourth Proportional to 52,358, 78,562.20 and 26,065.04

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Solution

The fourth proportional to 52,358, 78,562.20 and 26,065.04 is: 39,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,358 : 78,562.20 = 26,065.04 : x
  2. Step 2: Convert to fraction form
    52,358/78,562.20 = 26,065.04/x
  3. Step 3: Cross multiply
    52,358x = 78,562.20 × 26,065.04
  4. Step 4: Simplify right side
    52,358x = 2,047,726,885.49
  5. Step 5: Solve for x
    x = 2,047,726,885.49/52,358
  6. Step 6: Final answer
    x = 39,110.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.