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Finding the Fourth Proportional to 10,616.52, 15,913.44 and 5,066.40

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Solution

The fourth proportional to 10,616.52, 15,913.44 and 5,066.40 is: 7,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.52 : 15,913.44 = 5,066.40 : x
  2. Step 2: Convert to fraction form
    10,616.52/15,913.44 = 5,066.40/x
  3. Step 3: Cross multiply
    10,616.52x = 15,913.44 × 5,066.40
  4. Step 4: Simplify right side
    10,616.52x = 80,623,852.42
  5. Step 5: Solve for x
    x = 80,623,852.42/10,616.52
  6. Step 6: Final answer
    x = 7,594.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.