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Finding the Fourth Proportional to 1,654.74, 2,283.66 and 956.52

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Solution

The fourth proportional to 1,654.74, 2,283.66 and 956.52 is: 1,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.74 : 2,283.66 = 956.52 : x
  2. Step 2: Convert to fraction form
    1,654.74/2,283.66 = 956.52/x
  3. Step 3: Cross multiply
    1,654.74x = 2,283.66 × 956.52
  4. Step 4: Simplify right side
    1,654.74x = 2,184,366.46
  5. Step 5: Solve for x
    x = 2,184,366.46/1,654.74
  6. Step 6: Final answer
    x = 1,320.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.