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Finding the Fourth Proportional to 5,663.52, 7,805.04 and 4,088.88

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Solution

The fourth proportional to 5,663.52, 7,805.04 and 4,088.88 is: 5,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.52 : 7,805.04 = 4,088.88 : x
  2. Step 2: Convert to fraction form
    5,663.52/7,805.04 = 4,088.88/x
  3. Step 3: Cross multiply
    5,663.52x = 7,805.04 × 4,088.88
  4. Step 4: Simplify right side
    5,663.52x = 31,913,871.96
  5. Step 5: Solve for x
    x = 31,913,871.96/5,663.52
  6. Step 6: Final answer
    x = 5,634.99

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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.