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Finding the Fourth Proportional to 7,069.76, 9,767.04 and 4,711.04

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Solution

The fourth proportional to 7,069.76, 9,767.04 and 4,711.04 is: 6,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.76 : 9,767.04 = 4,711.04 : x
  2. Step 2: Convert to fraction form
    7,069.76/9,767.04 = 4,711.04/x
  3. Step 3: Cross multiply
    7,069.76x = 9,767.04 × 4,711.04
  4. Step 4: Simplify right side
    7,069.76x = 46,012,916.12
  5. Step 5: Solve for x
    x = 46,012,916.12/7,069.76
  6. Step 6: Final answer
    x = 6,508.41

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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.