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Finding the Fourth Proportional to 7,500.59, 10,349.93 and 4,143.24

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Solution

The fourth proportional to 7,500.59, 10,349.93 and 4,143.24 is: 5,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.59 : 10,349.93 = 4,143.24 : x
  2. Step 2: Convert to fraction form
    7,500.59/10,349.93 = 4,143.24/x
  3. Step 3: Cross multiply
    7,500.59x = 10,349.93 × 4,143.24
  4. Step 4: Simplify right side
    7,500.59x = 42,882,223.26
  5. Step 5: Solve for x
    x = 42,882,223.26/7,500.59
  6. Step 6: Final answer
    x = 5,717.18

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1.5x scale

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.