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Finding the Fourth Proportional to 8,915.26, 13,346.10 and 8,703.04

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Solution

The fourth proportional to 8,915.26, 13,346.10 and 8,703.04 is: 13,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.26 : 13,346.10 = 8,703.04 : x
  2. Step 2: Convert to fraction form
    8,915.26/13,346.10 = 8,703.04/x
  3. Step 3: Cross multiply
    8,915.26x = 13,346.10 × 8,703.04
  4. Step 4: Simplify right side
    8,915.26x = 116,151,642.14
  5. Step 5: Solve for x
    x = 116,151,642.14/8,915.26
  6. Step 6: Final answer
    x = 13,028.41

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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.