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Finding the Fourth Proportional to 58,346.60, 87,404.70 and 34,903.40

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Solution

The fourth proportional to 58,346.60, 87,404.70 and 34,903.40 is: 52,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,346.60 : 87,404.70 = 34,903.40 : x
  2. Step 2: Convert to fraction form
    58,346.60/87,404.70 = 34,903.40/x
  3. Step 3: Cross multiply
    58,346.60x = 87,404.70 × 34,903.40
  4. Step 4: Simplify right side
    58,346.60x = 3,050,721,205.98
  5. Step 5: Solve for x
    x = 3,050,721,205.98/58,346.60
  6. Step 6: Final answer
    x = 52,286.19

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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.