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Finding the Fourth Proportional to 7,802.68, 10,767.67 and 4,265.92

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Solution

The fourth proportional to 7,802.68, 10,767.67 and 4,265.92 is: 5,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.68 : 10,767.67 = 4,265.92 : x
  2. Step 2: Convert to fraction form
    7,802.68/10,767.67 = 4,265.92/x
  3. Step 3: Cross multiply
    7,802.68x = 10,767.67 × 4,265.92
  4. Step 4: Simplify right side
    7,802.68x = 45,934,018.81
  5. Step 5: Solve for x
    x = 45,934,018.81/7,802.68
  6. Step 6: Final answer
    x = 5,886.95

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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.