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Finding the Fourth Proportional to 3,251.59, 4,875.52 and 999.53

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Solution

The fourth proportional to 3,251.59, 4,875.52 and 999.53 is: 1,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.59 : 4,875.52 = 999.53 : x
  2. Step 2: Convert to fraction form
    3,251.59/4,875.52 = 999.53/x
  3. Step 3: Cross multiply
    3,251.59x = 4,875.52 × 999.53
  4. Step 4: Simplify right side
    3,251.59x = 4,873,223.98
  5. Step 5: Solve for x
    x = 4,873,223.98/3,251.59
  6. Step 6: Final answer
    x = 1,498.72

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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.