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Finding the Fourth Proportional to 9,580.76, 13,217.78 and 7,068.87

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Solution

The fourth proportional to 9,580.76, 13,217.78 and 7,068.87 is: 9,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.76 : 13,217.78 = 7,068.87 : x
  2. Step 2: Convert to fraction form
    9,580.76/13,217.78 = 7,068.87/x
  3. Step 3: Cross multiply
    9,580.76x = 13,217.78 × 7,068.87
  4. Step 4: Simplify right side
    9,580.76x = 93,434,736.61
  5. Step 5: Solve for x
    x = 93,434,736.61/9,580.76
  6. Step 6: Final answer
    x = 9,752.33

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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.