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Finding the Fourth Proportional to 7,307.62, 10,945.02 and 5,659.18

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Solution

The fourth proportional to 7,307.62, 10,945.02 and 5,659.18 is: 8,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.62 : 10,945.02 = 5,659.18 : x
  2. Step 2: Convert to fraction form
    7,307.62/10,945.02 = 5,659.18/x
  3. Step 3: Cross multiply
    7,307.62x = 10,945.02 × 5,659.18
  4. Step 4: Simplify right side
    7,307.62x = 61,939,838.28
  5. Step 5: Solve for x
    x = 61,939,838.28/7,307.62
  6. Step 6: Final answer
    x = 8,476.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.