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Finding the Fourth Proportional to 7,330.65, 10,955.73 and 5,360.43

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Solution

The fourth proportional to 7,330.65, 10,955.73 and 5,360.43 is: 8,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.65 : 10,955.73 = 5,360.43 : x
  2. Step 2: Convert to fraction form
    7,330.65/10,955.73 = 5,360.43/x
  3. Step 3: Cross multiply
    7,330.65x = 10,955.73 × 5,360.43
  4. Step 4: Simplify right side
    7,330.65x = 58,727,423.76
  5. Step 5: Solve for x
    x = 58,727,423.76/7,330.65
  6. Step 6: Final answer
    x = 8,011.22

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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.