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Finding the Fourth Proportional to 6,928.32, 9,550.95 and 5,512.53

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Solution

The fourth proportional to 6,928.32, 9,550.95 and 5,512.53 is: 7,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.32 : 9,550.95 = 5,512.53 : x
  2. Step 2: Convert to fraction form
    6,928.32/9,550.95 = 5,512.53/x
  3. Step 3: Cross multiply
    6,928.32x = 9,550.95 × 5,512.53
  4. Step 4: Simplify right side
    6,928.32x = 52,649,898.40
  5. Step 5: Solve for x
    x = 52,649,898.40/6,928.32
  6. Step 6: Final answer
    x = 7,599.23

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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.