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Finding the Fourth Proportional to 6,417.28, 8,836.80 and 5,952.64

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Solution

The fourth proportional to 6,417.28, 8,836.80 and 5,952.64 is: 8,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.28 : 8,836.80 = 5,952.64 : x
  2. Step 2: Convert to fraction form
    6,417.28/8,836.80 = 5,952.64/x
  3. Step 3: Cross multiply
    6,417.28x = 8,836.80 × 5,952.64
  4. Step 4: Simplify right side
    6,417.28x = 52,602,289.15
  5. Step 5: Solve for x
    x = 52,602,289.15/6,417.28
  6. Step 6: Final answer
    x = 8,196.98

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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.