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Finding the Fourth Proportional to 15,248.54, 22,870.98 and 6,919.71

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Solution

The fourth proportional to 15,248.54, 22,870.98 and 6,919.71 is: 10,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.54 : 22,870.98 = 6,919.71 : x
  2. Step 2: Convert to fraction form
    15,248.54/22,870.98 = 6,919.71/x
  3. Step 3: Cross multiply
    15,248.54x = 22,870.98 × 6,919.71
  4. Step 4: Simplify right side
    15,248.54x = 158,260,549.02
  5. Step 5: Solve for x
    x = 158,260,549.02/15,248.54
  6. Step 6: Final answer
    x = 10,378.74

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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.