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Finding the Fourth Proportional to 22,008.80, 32,948.40 and 19,416.80

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Solution

The fourth proportional to 22,008.80, 32,948.40 and 19,416.80 is: 29,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.80 : 32,948.40 = 19,416.80 : x
  2. Step 2: Convert to fraction form
    22,008.80/32,948.40 = 19,416.80/x
  3. Step 3: Cross multiply
    22,008.80x = 32,948.40 × 19,416.80
  4. Step 4: Simplify right side
    22,008.80x = 639,752,493.12
  5. Step 5: Solve for x
    x = 639,752,493.12/22,008.80
  6. Step 6: Final answer
    x = 29,068.03

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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.