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Finding the Fourth Proportional to 59,585.88, 89,398.26 and 28,417.08

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Solution

The fourth proportional to 59,585.88, 89,398.26 and 28,417.08 is: 42,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,585.88 : 89,398.26 = 28,417.08 : x
  2. Step 2: Convert to fraction form
    59,585.88/89,398.26 = 28,417.08/x
  3. Step 3: Cross multiply
    59,585.88x = 89,398.26 × 28,417.08
  4. Step 4: Simplify right side
    59,585.88x = 2,540,437,506.28
  5. Step 5: Solve for x
    x = 2,540,437,506.28/59,585.88
  6. Step 6: Final answer
    x = 42,634.89

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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.