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Finding the Fourth Proportional to 16,642.65, 22,967.13 and 9,088.99

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Solution

The fourth proportional to 16,642.65, 22,967.13 and 9,088.99 is: 12,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642.65 : 22,967.13 = 9,088.99 : x
  2. Step 2: Convert to fraction form
    16,642.65/22,967.13 = 9,088.99/x
  3. Step 3: Cross multiply
    16,642.65x = 22,967.13 × 9,088.99
  4. Step 4: Simplify right side
    16,642.65x = 208,748,014.90
  5. Step 5: Solve for x
    x = 208,748,014.90/16,642.65
  6. Step 6: Final answer
    x = 12,542.96

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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.