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Finding the Fourth Proportional to 6,587.28, 9,881.64 and 5,365.08

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Solution

The fourth proportional to 6,587.28, 9,881.64 and 5,365.08 is: 8,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,587.28 : 9,881.64 = 5,365.08 : x
  2. Step 2: Convert to fraction form
    6,587.28/9,881.64 = 5,365.08/x
  3. Step 3: Cross multiply
    6,587.28x = 9,881.64 × 5,365.08
  4. Step 4: Simplify right side
    6,587.28x = 53,015,789.13
  5. Step 5: Solve for x
    x = 53,015,789.13/6,587.28
  6. Step 6: Final answer
    x = 8,048.21

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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.