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Finding the Fourth Proportional to 20,595.90, 30,866.04 and 15,023.10

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Solution

The fourth proportional to 20,595.90, 30,866.04 and 15,023.10 is: 22,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.90 : 30,866.04 = 15,023.10 : x
  2. Step 2: Convert to fraction form
    20,595.90/30,866.04 = 15,023.10/x
  3. Step 3: Cross multiply
    20,595.90x = 30,866.04 × 15,023.10
  4. Step 4: Simplify right side
    20,595.90x = 463,703,605.52
  5. Step 5: Solve for x
    x = 463,703,605.52/20,595.90
  6. Step 6: Final answer
    x = 22,514.36

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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.