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Finding the Fourth Proportional to 30,025.42, 45,044.51 and 8,967.11

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Solution

The fourth proportional to 30,025.42, 45,044.51 and 8,967.11 is: 13,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.42 : 45,044.51 = 8,967.11 : x
  2. Step 2: Convert to fraction form
    30,025.42/45,044.51 = 8,967.11/x
  3. Step 3: Cross multiply
    30,025.42x = 45,044.51 × 8,967.11
  4. Step 4: Simplify right side
    30,025.42x = 403,918,806.01
  5. Step 5: Solve for x
    x = 403,918,806.01/30,025.42
  6. Step 6: Final answer
    x = 13,452.56

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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.