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Finding the Fourth Proportional to 1,561.52, 2,342.24 and 588.08

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Solution

The fourth proportional to 1,561.52, 2,342.24 and 588.08 is: 882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561.52 : 2,342.24 = 588.08 : x
  2. Step 2: Convert to fraction form
    1,561.52/2,342.24 = 588.08/x
  3. Step 3: Cross multiply
    1,561.52x = 2,342.24 × 588.08
  4. Step 4: Simplify right side
    1,561.52x = 1,377,424.50
  5. Step 5: Solve for x
    x = 1,377,424.50/1,561.52
  6. Step 6: Final answer
    x = 882.10

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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.