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Finding the Fourth Proportional to 58,519.71, 87,779.16 and 23,458.86

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Solution

The fourth proportional to 58,519.71, 87,779.16 and 23,458.86 is: 35,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,519.71 : 87,779.16 = 23,458.86 : x
  2. Step 2: Convert to fraction form
    58,519.71/87,779.16 = 23,458.86/x
  3. Step 3: Cross multiply
    58,519.71x = 87,779.16 × 23,458.86
  4. Step 4: Simplify right side
    58,519.71x = 2,059,199,025.36
  5. Step 5: Solve for x
    x = 2,059,199,025.36/58,519.71
  6. Step 6: Final answer
    x = 35,188.13

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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.