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Finding the Fourth Proportional to 8,503.58, 11,732.04 and 5,314.70

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Solution

The fourth proportional to 8,503.58, 11,732.04 and 5,314.70 is: 7,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.58 : 11,732.04 = 5,314.70 : x
  2. Step 2: Convert to fraction form
    8,503.58/11,732.04 = 5,314.70/x
  3. Step 3: Cross multiply
    8,503.58x = 11,732.04 × 5,314.70
  4. Step 4: Simplify right side
    8,503.58x = 62,352,272.99
  5. Step 5: Solve for x
    x = 62,352,272.99/8,503.58
  6. Step 6: Final answer
    x = 7,332.47

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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.