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Finding the Fourth Proportional to 9,081.65, 12,531.96 and 5,048.16

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Solution

The fourth proportional to 9,081.65, 12,531.96 and 5,048.16 is: 6,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.65 : 12,531.96 = 5,048.16 : x
  2. Step 2: Convert to fraction form
    9,081.65/12,531.96 = 5,048.16/x
  3. Step 3: Cross multiply
    9,081.65x = 12,531.96 × 5,048.16
  4. Step 4: Simplify right side
    9,081.65x = 63,263,339.19
  5. Step 5: Solve for x
    x = 63,263,339.19/9,081.65
  6. Step 6: Final answer
    x = 6,966.06

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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.