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Finding the Fourth Proportional to 7,244.03, 9,988.30 and 6,719.15

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Solution

The fourth proportional to 7,244.03, 9,988.30 and 6,719.15 is: 9,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.03 : 9,988.30 = 6,719.15 : x
  2. Step 2: Convert to fraction form
    7,244.03/9,988.30 = 6,719.15/x
  3. Step 3: Cross multiply
    7,244.03x = 9,988.30 × 6,719.15
  4. Step 4: Simplify right side
    7,244.03x = 67,112,885.95
  5. Step 5: Solve for x
    x = 67,112,885.95/7,244.03
  6. Step 6: Final answer
    x = 9,264.58

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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.