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Finding the Fourth Proportional to 6,417.32, 8,849.86 and 5,473.48

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Solution

The fourth proportional to 6,417.32, 8,849.86 and 5,473.48 is: 7,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.32 : 8,849.86 = 5,473.48 : x
  2. Step 2: Convert to fraction form
    6,417.32/8,849.86 = 5,473.48/x
  3. Step 3: Cross multiply
    6,417.32x = 8,849.86 × 5,473.48
  4. Step 4: Simplify right side
    6,417.32x = 48,439,531.71
  5. Step 5: Solve for x
    x = 48,439,531.71/6,417.32
  6. Step 6: Final answer
    x = 7,548.25

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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.