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Finding the Fourth Proportional to 6,528.59, 9,007.16 and 4,291.77

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Solution

The fourth proportional to 6,528.59, 9,007.16 and 4,291.77 is: 5,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.59 : 9,007.16 = 4,291.77 : x
  2. Step 2: Convert to fraction form
    6,528.59/9,007.16 = 4,291.77/x
  3. Step 3: Cross multiply
    6,528.59x = 9,007.16 × 4,291.77
  4. Step 4: Simplify right side
    6,528.59x = 38,656,637.61
  5. Step 5: Solve for x
    x = 38,656,637.61/6,528.59
  6. Step 6: Final answer
    x = 5,921.14

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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.