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Finding the Fourth Proportional to 7,283.88, 10,923.30 and 2,088.72

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Solution

The fourth proportional to 7,283.88, 10,923.30 and 2,088.72 is: 3,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.88 : 10,923.30 = 2,088.72 : x
  2. Step 2: Convert to fraction form
    7,283.88/10,923.30 = 2,088.72/x
  3. Step 3: Cross multiply
    7,283.88x = 10,923.30 × 2,088.72
  4. Step 4: Simplify right side
    7,283.88x = 22,815,715.18
  5. Step 5: Solve for x
    x = 22,815,715.18/7,283.88
  6. Step 6: Final answer
    x = 3,132.36

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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.