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Finding the Fourth Proportional to 16,655.19, 22,984.78 and 9,102.02

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Solution

The fourth proportional to 16,655.19, 22,984.78 and 9,102.02 is: 12,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.19 : 22,984.78 = 9,102.02 : x
  2. Step 2: Convert to fraction form
    16,655.19/22,984.78 = 9,102.02/x
  3. Step 3: Cross multiply
    16,655.19x = 22,984.78 × 9,102.02
  4. Step 4: Simplify right side
    16,655.19x = 209,207,994.50
  5. Step 5: Solve for x
    x = 209,207,994.50/16,655.19
  6. Step 6: Final answer
    x = 12,561.13

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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.