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Finding the Fourth Proportional to 1,502.89, 2,255.01 and 954.93

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Solution

The fourth proportional to 1,502.89, 2,255.01 and 954.93 is: 1,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.89 : 2,255.01 = 954.93 : x
  2. Step 2: Convert to fraction form
    1,502.89/2,255.01 = 954.93/x
  3. Step 3: Cross multiply
    1,502.89x = 2,255.01 × 954.93
  4. Step 4: Simplify right side
    1,502.89x = 2,153,376.70
  5. Step 5: Solve for x
    x = 2,153,376.70/1,502.89
  6. Step 6: Final answer
    x = 1,432.82

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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.