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Finding the Fourth Proportional to 58,779.66, 88,012.05 and 49,448.46

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Solution

The fourth proportional to 58,779.66, 88,012.05 and 49,448.46 is: 74,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,779.66 : 88,012.05 = 49,448.46 : x
  2. Step 2: Convert to fraction form
    58,779.66/88,012.05 = 49,448.46/x
  3. Step 3: Cross multiply
    58,779.66x = 88,012.05 × 49,448.46
  4. Step 4: Simplify right side
    58,779.66x = 4,352,060,333.94
  5. Step 5: Solve for x
    x = 4,352,060,333.94/58,779.66
  6. Step 6: Final answer
    x = 74,040.24

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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.