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Finding the Fourth Proportional to 16,290.01, 24,421.13 and 15,514.98

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Solution

The fourth proportional to 16,290.01, 24,421.13 and 15,514.98 is: 23,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.01 : 24,421.13 = 15,514.98 : x
  2. Step 2: Convert to fraction form
    16,290.01/24,421.13 = 15,514.98/x
  3. Step 3: Cross multiply
    16,290.01x = 24,421.13 × 15,514.98
  4. Step 4: Simplify right side
    16,290.01x = 378,893,232.55
  5. Step 5: Solve for x
    x = 378,893,232.55/16,290.01
  6. Step 6: Final answer
    x = 23,259.24

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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.