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Finding the Fourth Proportional to 7,193.96, 9,928.54 and 4,050.74

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Solution

The fourth proportional to 7,193.96, 9,928.54 and 4,050.74 is: 5,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.96 : 9,928.54 = 4,050.74 : x
  2. Step 2: Convert to fraction form
    7,193.96/9,928.54 = 4,050.74/x
  3. Step 3: Cross multiply
    7,193.96x = 9,928.54 × 4,050.74
  4. Step 4: Simplify right side
    7,193.96x = 40,217,934.12
  5. Step 5: Solve for x
    x = 40,217,934.12/7,193.96
  6. Step 6: Final answer
    x = 5,590.51

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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.