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Finding the Fourth Proportional to 59,865.84, 89,791.47 and 15,488.91

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Solution

The fourth proportional to 59,865.84, 89,791.47 and 15,488.91 is: 23,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,865.84 : 89,791.47 = 15,488.91 : x
  2. Step 2: Convert to fraction form
    59,865.84/89,791.47 = 15,488.91/x
  3. Step 3: Cross multiply
    59,865.84x = 89,791.47 × 15,488.91
  4. Step 4: Simplify right side
    59,865.84x = 1,390,771,997.60
  5. Step 5: Solve for x
    x = 1,390,771,997.60/59,865.84
  6. Step 6: Final answer
    x = 23,231.48

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1.5x scale

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.