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Finding the Fourth Proportional to 17,772.60, 26,658.90 and 16,476.60

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Solution

The fourth proportional to 17,772.60, 26,658.90 and 16,476.60 is: 24,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.60 : 26,658.90 = 16,476.60 : x
  2. Step 2: Convert to fraction form
    17,772.60/26,658.90 = 16,476.60/x
  3. Step 3: Cross multiply
    17,772.60x = 26,658.90 × 16,476.60
  4. Step 4: Simplify right side
    17,772.60x = 439,248,031.74
  5. Step 5: Solve for x
    x = 439,248,031.74/17,772.60
  6. Step 6: Final answer
    x = 24,714.90

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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.