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Finding the Fourth Proportional to 10,246.90, 15,359.55 and 5,854.90

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Solution

The fourth proportional to 10,246.90, 15,359.55 and 5,854.90 is: 8,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.90 : 15,359.55 = 5,854.90 : x
  2. Step 2: Convert to fraction form
    10,246.90/15,359.55 = 5,854.90/x
  3. Step 3: Cross multiply
    10,246.90x = 15,359.55 × 5,854.90
  4. Step 4: Simplify right side
    10,246.90x = 89,928,629.30
  5. Step 5: Solve for x
    x = 89,928,629.30/10,246.90
  6. Step 6: Final answer
    x = 8,776.18

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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.