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Finding the Fourth Proportional to 9,073.10, 12,520.19 and 5,040.15

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Solution

The fourth proportional to 9,073.10, 12,520.19 and 5,040.15 is: 6,955.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073.10 : 12,520.19 = 5,040.15 : x
  2. Step 2: Convert to fraction form
    9,073.10/12,520.19 = 5,040.15/x
  3. Step 3: Cross multiply
    9,073.10x = 12,520.19 × 5,040.15
  4. Step 4: Simplify right side
    9,073.10x = 63,103,635.63
  5. Step 5: Solve for x
    x = 63,103,635.63/9,073.10
  6. Step 6: Final answer
    x = 6,955.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.