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Finding the Fourth Proportional to 7,403.04, 11,084.04 and 5,915.16

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Solution

The fourth proportional to 7,403.04, 11,084.04 and 5,915.16 is: 8,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.04 : 11,084.04 = 5,915.16 : x
  2. Step 2: Convert to fraction form
    7,403.04/11,084.04 = 5,915.16/x
  3. Step 3: Cross multiply
    7,403.04x = 11,084.04 × 5,915.16
  4. Step 4: Simplify right side
    7,403.04x = 65,563,870.05
  5. Step 5: Solve for x
    x = 65,563,870.05/7,403.04
  6. Step 6: Final answer
    x = 8,856.34

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1.5x scale

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.