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Finding the Fourth Proportional to 5,800.64, 8,631.16 and 5,781.20

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Solution

The fourth proportional to 5,800.64, 8,631.16 and 5,781.20 is: 8,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.64 : 8,631.16 = 5,781.20 : x
  2. Step 2: Convert to fraction form
    5,800.64/8,631.16 = 5,781.20/x
  3. Step 3: Cross multiply
    5,800.64x = 8,631.16 × 5,781.20
  4. Step 4: Simplify right side
    5,800.64x = 49,898,462.19
  5. Step 5: Solve for x
    x = 49,898,462.19/5,800.64
  6. Step 6: Final answer
    x = 8,602.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.