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Finding the Fourth Proportional to 1,150.70, 1,725.16 and 565.52

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Solution

The fourth proportional to 1,150.70, 1,725.16 and 565.52 is: 847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.70 : 1,725.16 = 565.52 : x
  2. Step 2: Convert to fraction form
    1,150.70/1,725.16 = 565.52/x
  3. Step 3: Cross multiply
    1,150.70x = 1,725.16 × 565.52
  4. Step 4: Simplify right side
    1,150.70x = 975,612.48
  5. Step 5: Solve for x
    x = 975,612.48/1,150.70
  6. Step 6: Final answer
    x = 847.84

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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.