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Finding the Fourth Proportional to 7,393.48, 11,084.10 and 2,948.40

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Solution

The fourth proportional to 7,393.48, 11,084.10 and 2,948.40 is: 4,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.48 : 11,084.10 = 2,948.40 : x
  2. Step 2: Convert to fraction form
    7,393.48/11,084.10 = 2,948.40/x
  3. Step 3: Cross multiply
    7,393.48x = 11,084.10 × 2,948.40
  4. Step 4: Simplify right side
    7,393.48x = 32,680,373.41
  5. Step 5: Solve for x
    x = 32,680,373.41/7,393.48
  6. Step 6: Final answer
    x = 4,420.16

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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.