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Finding the Fourth Proportional to 15,030.48, 22,540.84 and 8,790.24

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Solution

The fourth proportional to 15,030.48, 22,540.84 and 8,790.24 is: 13,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030.48 : 22,540.84 = 8,790.24 : x
  2. Step 2: Convert to fraction form
    15,030.48/22,540.84 = 8,790.24/x
  3. Step 3: Cross multiply
    15,030.48x = 22,540.84 × 8,790.24
  4. Step 4: Simplify right side
    15,030.48x = 198,139,393.40
  5. Step 5: Solve for x
    x = 198,139,393.40/15,030.48
  6. Step 6: Final answer
    x = 13,182.51

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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.