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Finding the Fourth Proportional to 71,520.58, 98,743.80 and 46,036.54

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Solution

The fourth proportional to 71,520.58, 98,743.80 and 46,036.54 is: 63,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,520.58 : 98,743.80 = 46,036.54 : x
  2. Step 2: Convert to fraction form
    71,520.58/98,743.80 = 46,036.54/x
  3. Step 3: Cross multiply
    71,520.58x = 98,743.80 × 46,036.54
  4. Step 4: Simplify right side
    71,520.58x = 4,545,822,898.45
  5. Step 5: Solve for x
    x = 4,545,822,898.45/71,520.58
  6. Step 6: Final answer
    x = 63,559.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.