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Finding the Fourth Proportional to 9,344.46, 12,888.06 and 5,987.58

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Solution

The fourth proportional to 9,344.46, 12,888.06 and 5,987.58 is: 8,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.46 : 12,888.06 = 5,987.58 : x
  2. Step 2: Convert to fraction form
    9,344.46/12,888.06 = 5,987.58/x
  3. Step 3: Cross multiply
    9,344.46x = 12,888.06 × 5,987.58
  4. Step 4: Simplify right side
    9,344.46x = 77,168,290.29
  5. Step 5: Solve for x
    x = 77,168,290.29/9,344.46
  6. Step 6: Final answer
    x = 8,258.19

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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.