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Finding the Fourth Proportional to 4,888.92, 7,330.62 and 2,113.86

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Solution

The fourth proportional to 4,888.92, 7,330.62 and 2,113.86 is: 3,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.92 : 7,330.62 = 2,113.86 : x
  2. Step 2: Convert to fraction form
    4,888.92/7,330.62 = 2,113.86/x
  3. Step 3: Cross multiply
    4,888.92x = 7,330.62 × 2,113.86
  4. Step 4: Simplify right side
    4,888.92x = 15,495,904.39
  5. Step 5: Solve for x
    x = 15,495,904.39/4,888.92
  6. Step 6: Final answer
    x = 3,169.60

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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.