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Finding the Fourth Proportional to 7,247.76, 10,808.16 and 7,182.06

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Solution

The fourth proportional to 7,247.76, 10,808.16 and 7,182.06 is: 10,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.76 : 10,808.16 = 7,182.06 : x
  2. Step 2: Convert to fraction form
    7,247.76/10,808.16 = 7,182.06/x
  3. Step 3: Cross multiply
    7,247.76x = 10,808.16 × 7,182.06
  4. Step 4: Simplify right side
    7,247.76x = 77,624,853.61
  5. Step 5: Solve for x
    x = 77,624,853.61/7,247.76
  6. Step 6: Final answer
    x = 10,710.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.