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Finding the Fourth Proportional to 58,405.60, 87,623.76 and 30,327.52

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Solution

The fourth proportional to 58,405.60, 87,623.76 and 30,327.52 is: 45,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,405.60 : 87,623.76 = 30,327.52 : x
  2. Step 2: Convert to fraction form
    58,405.60/87,623.76 = 30,327.52/x
  3. Step 3: Cross multiply
    58,405.60x = 87,623.76 × 30,327.52
  4. Step 4: Simplify right side
    58,405.60x = 2,657,411,333.88
  5. Step 5: Solve for x
    x = 2,657,411,333.88/58,405.60
  6. Step 6: Final answer
    x = 45,499.26

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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.