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Finding the Fourth Proportional to 16,703.52, 23,034.95 and 9,988.08

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Solution

The fourth proportional to 16,703.52, 23,034.95 and 9,988.08 is: 13,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,703.52 : 23,034.95 = 9,988.08 : x
  2. Step 2: Convert to fraction form
    16,703.52/23,034.95 = 9,988.08/x
  3. Step 3: Cross multiply
    16,703.52x = 23,034.95 × 9,988.08
  4. Step 4: Simplify right side
    16,703.52x = 230,074,923.40
  5. Step 5: Solve for x
    x = 230,074,923.40/16,703.52
  6. Step 6: Final answer
    x = 13,774.04

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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.