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Finding the Fourth Proportional to 6,454.17, 8,908.11 and 3,802.50

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Solution

The fourth proportional to 6,454.17, 8,908.11 and 3,802.50 is: 5,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.17 : 8,908.11 = 3,802.50 : x
  2. Step 2: Convert to fraction form
    6,454.17/8,908.11 = 3,802.50/x
  3. Step 3: Cross multiply
    6,454.17x = 8,908.11 × 3,802.50
  4. Step 4: Simplify right side
    6,454.17x = 33,873,088.28
  5. Step 5: Solve for x
    x = 33,873,088.28/6,454.17
  6. Step 6: Final answer
    x = 5,248.25

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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.