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Finding the Fourth Proportional to 16,643.52, 22,962.53 and 10,981.08

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Solution

The fourth proportional to 16,643.52, 22,962.53 and 10,981.08 is: 15,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.52 : 22,962.53 = 10,981.08 : x
  2. Step 2: Convert to fraction form
    16,643.52/22,962.53 = 10,981.08/x
  3. Step 3: Cross multiply
    16,643.52x = 22,962.53 × 10,981.08
  4. Step 4: Simplify right side
    16,643.52x = 252,153,378.93
  5. Step 5: Solve for x
    x = 252,153,378.93/16,643.52
  6. Step 6: Final answer
    x = 15,150.24

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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.