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Finding the Fourth Proportional to 58,884.48, 88,340.80 and 31,176.32

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Solution

The fourth proportional to 58,884.48, 88,340.80 and 31,176.32 is: 46,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,884.48 : 88,340.80 = 31,176.32 : x
  2. Step 2: Convert to fraction form
    58,884.48/88,340.80 = 31,176.32/x
  3. Step 3: Cross multiply
    58,884.48x = 88,340.80 × 31,176.32
  4. Step 4: Simplify right side
    58,884.48x = 2,754,141,049.86
  5. Step 5: Solve for x
    x = 2,754,141,049.86/58,884.48
  6. Step 6: Final answer
    x = 46,771.93

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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.