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Finding the Fourth Proportional to 5,437.92, 7,502.04 and 3,666.48

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Solution

The fourth proportional to 5,437.92, 7,502.04 and 3,666.48 is: 5,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.92 : 7,502.04 = 3,666.48 : x
  2. Step 2: Convert to fraction form
    5,437.92/7,502.04 = 3,666.48/x
  3. Step 3: Cross multiply
    5,437.92x = 7,502.04 × 3,666.48
  4. Step 4: Simplify right side
    5,437.92x = 27,506,079.62
  5. Step 5: Solve for x
    x = 27,506,079.62/5,437.92
  6. Step 6: Final answer
    x = 5,058.20

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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.