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Finding the Fourth Proportional to 5,920.70, 8,881.02 and 5,625.07

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Solution

The fourth proportional to 5,920.70, 8,881.02 and 5,625.07 is: 8,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.70 : 8,881.02 = 5,625.07 : x
  2. Step 2: Convert to fraction form
    5,920.70/8,881.02 = 5,625.07/x
  3. Step 3: Cross multiply
    5,920.70x = 8,881.02 × 5,625.07
  4. Step 4: Simplify right side
    5,920.70x = 49,956,346.13
  5. Step 5: Solve for x
    x = 49,956,346.13/5,920.70
  6. Step 6: Final answer
    x = 8,437.58

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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.