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Finding the Fourth Proportional to 10,641.95, 15,963.08 and 4,068.48

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Solution

The fourth proportional to 10,641.95, 15,963.08 and 4,068.48 is: 6,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.95 : 15,963.08 = 4,068.48 : x
  2. Step 2: Convert to fraction form
    10,641.95/15,963.08 = 4,068.48/x
  3. Step 3: Cross multiply
    10,641.95x = 15,963.08 × 4,068.48
  4. Step 4: Simplify right side
    10,641.95x = 64,945,451.38
  5. Step 5: Solve for x
    x = 64,945,451.38/10,641.95
  6. Step 6: Final answer
    x = 6,102.78

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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.