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Finding the Fourth Proportional to 15,952.32, 22,014.60 and 8,878.32

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Solution

The fourth proportional to 15,952.32, 22,014.60 and 8,878.32 is: 12,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.32 : 22,014.60 = 8,878.32 : x
  2. Step 2: Convert to fraction form
    15,952.32/22,014.60 = 8,878.32/x
  3. Step 3: Cross multiply
    15,952.32x = 22,014.60 × 8,878.32
  4. Step 4: Simplify right side
    15,952.32x = 195,452,663.47
  5. Step 5: Solve for x
    x = 195,452,663.47/15,952.32
  6. Step 6: Final answer
    x = 12,252.30

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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.