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Finding the Fourth Proportional to 58,285.04, 87,407.40 and 36,064.40

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Solution

The fourth proportional to 58,285.04, 87,407.40 and 36,064.40 is: 54,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,285.04 : 87,407.40 = 36,064.40 : x
  2. Step 2: Convert to fraction form
    58,285.04/87,407.40 = 36,064.40/x
  3. Step 3: Cross multiply
    58,285.04x = 87,407.40 × 36,064.40
  4. Step 4: Simplify right side
    58,285.04x = 3,152,295,436.56
  5. Step 5: Solve for x
    x = 3,152,295,436.56/58,285.04
  6. Step 6: Final answer
    x = 54,084.13

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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.