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Finding the Fourth Proportional to 3,417.47, 5,125.61 and 951.63

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Solution

The fourth proportional to 3,417.47, 5,125.61 and 951.63 is: 1,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.47 : 5,125.61 = 951.63 : x
  2. Step 2: Convert to fraction form
    3,417.47/5,125.61 = 951.63/x
  3. Step 3: Cross multiply
    3,417.47x = 5,125.61 × 951.63
  4. Step 4: Simplify right side
    3,417.47x = 4,877,684.24
  5. Step 5: Solve for x
    x = 4,877,684.24/3,417.47
  6. Step 6: Final answer
    x = 1,427.28

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1.5x scale

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.