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Finding the Fourth Proportional to 7,521.71, 10,384.70 and 4,834.13

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Solution

The fourth proportional to 7,521.71, 10,384.70 and 4,834.13 is: 6,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.71 : 10,384.70 = 4,834.13 : x
  2. Step 2: Convert to fraction form
    7,521.71/10,384.70 = 4,834.13/x
  3. Step 3: Cross multiply
    7,521.71x = 10,384.70 × 4,834.13
  4. Step 4: Simplify right side
    7,521.71x = 50,200,991.60
  5. Step 5: Solve for x
    x = 50,200,991.60/7,521.71
  6. Step 6: Final answer
    x = 6,674.14

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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.