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Finding the Fourth Proportional to 30,290.01, 45,445.20 and 15,494.94

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Solution

The fourth proportional to 30,290.01, 45,445.20 and 15,494.94 is: 23,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.01 : 45,445.20 = 15,494.94 : x
  2. Step 2: Convert to fraction form
    30,290.01/45,445.20 = 15,494.94/x
  3. Step 3: Cross multiply
    30,290.01x = 45,445.20 × 15,494.94
  4. Step 4: Simplify right side
    30,290.01x = 704,170,647.29
  5. Step 5: Solve for x
    x = 704,170,647.29/30,290.01
  6. Step 6: Final answer
    x = 23,247.62

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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.