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Finding the Fourth Proportional to 58,768.60, 88,023.30 and 31,034.20

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Solution

The fourth proportional to 58,768.60, 88,023.30 and 31,034.20 is: 46,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,768.60 : 88,023.30 = 31,034.20 : x
  2. Step 2: Convert to fraction form
    58,768.60/88,023.30 = 31,034.20/x
  3. Step 3: Cross multiply
    58,768.60x = 88,023.30 × 31,034.20
  4. Step 4: Simplify right side
    58,768.60x = 2,731,732,696.86
  5. Step 5: Solve for x
    x = 2,731,732,696.86/58,768.60
  6. Step 6: Final answer
    x = 46,482.86

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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.