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Finding the Fourth Proportional to 16,451.58, 22,703.12 and 8,897.93

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Solution

The fourth proportional to 16,451.58, 22,703.12 and 8,897.93 is: 12,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.58 : 22,703.12 = 8,897.93 : x
  2. Step 2: Convert to fraction form
    16,451.58/22,703.12 = 8,897.93/x
  3. Step 3: Cross multiply
    16,451.58x = 22,703.12 × 8,897.93
  4. Step 4: Simplify right side
    16,451.58x = 202,010,614.54
  5. Step 5: Solve for x
    x = 202,010,614.54/16,451.58
  6. Step 6: Final answer
    x = 12,279.10

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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.