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Finding the Fourth Proportional to 8,748.26, 12,080.13 and 7,501.67

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Solution

The fourth proportional to 8,748.26, 12,080.13 and 7,501.67 is: 10,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.26 : 12,080.13 = 7,501.67 : x
  2. Step 2: Convert to fraction form
    8,748.26/12,080.13 = 7,501.67/x
  3. Step 3: Cross multiply
    8,748.26x = 12,080.13 × 7,501.67
  4. Step 4: Simplify right side
    8,748.26x = 90,621,088.42
  5. Step 5: Solve for x
    x = 90,621,088.42/8,748.26
  6. Step 6: Final answer
    x = 10,358.76

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Double scale
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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.