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Finding the Fourth Proportional to 954.48, 1,432.43 and 710.27

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Solution

The fourth proportional to 954.48, 1,432.43 and 710.27 is: 1,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.48 : 1,432.43 = 710.27 : x
  2. Step 2: Convert to fraction form
    954.48/1,432.43 = 710.27/x
  3. Step 3: Cross multiply
    954.48x = 1,432.43 × 710.27
  4. Step 4: Simplify right side
    954.48x = 1,017,401.34
  5. Step 5: Solve for x
    x = 1,017,401.34/954.48
  6. Step 6: Final answer
    x = 1,065.92

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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.