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Finding the Fourth Proportional to 18,884.97, 28,329.08 and 9,032.13

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Solution

The fourth proportional to 18,884.97, 28,329.08 and 9,032.13 is: 13,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.97 : 28,329.08 = 9,032.13 : x
  2. Step 2: Convert to fraction form
    18,884.97/28,329.08 = 9,032.13/x
  3. Step 3: Cross multiply
    18,884.97x = 28,329.08 × 9,032.13
  4. Step 4: Simplify right side
    18,884.97x = 255,871,888.18
  5. Step 5: Solve for x
    x = 255,871,888.18/18,884.97
  6. Step 6: Final answer
    x = 13,548.97

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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.