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Finding the Fourth Proportional to 7,125.88, 9,838.02 and 4,609.16

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Solution

The fourth proportional to 7,125.88, 9,838.02 and 4,609.16 is: 6,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.88 : 9,838.02 = 4,609.16 : x
  2. Step 2: Convert to fraction form
    7,125.88/9,838.02 = 4,609.16/x
  3. Step 3: Cross multiply
    7,125.88x = 9,838.02 × 4,609.16
  4. Step 4: Simplify right side
    7,125.88x = 45,345,008.26
  5. Step 5: Solve for x
    x = 45,345,008.26/7,125.88
  6. Step 6: Final answer
    x = 6,363.43

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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.