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Finding the Fourth Proportional to 15,952.96, 22,015.48 and 8,880.08

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Solution

The fourth proportional to 15,952.96, 22,015.48 and 8,880.08 is: 12,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.96 : 22,015.48 = 8,880.08 : x
  2. Step 2: Convert to fraction form
    15,952.96/22,015.48 = 8,880.08/x
  3. Step 3: Cross multiply
    15,952.96x = 22,015.48 × 8,880.08
  4. Step 4: Simplify right side
    15,952.96x = 195,499,223.64
  5. Step 5: Solve for x
    x = 195,499,223.64/15,952.96
  6. Step 6: Final answer
    x = 12,254.73

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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.