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Finding the Fourth Proportional to 8,910.03, 13,352.64 and 7,368.57

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Solution

The fourth proportional to 8,910.03, 13,352.64 and 7,368.57 is: 11,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.03 : 13,352.64 = 7,368.57 : x
  2. Step 2: Convert to fraction form
    8,910.03/13,352.64 = 7,368.57/x
  3. Step 3: Cross multiply
    8,910.03x = 13,352.64 × 7,368.57
  4. Step 4: Simplify right side
    8,910.03x = 98,389,862.52
  5. Step 5: Solve for x
    x = 98,389,862.52/8,910.03
  6. Step 6: Final answer
    x = 11,042.60

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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.