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Finding the Fourth Proportional to 8,937.68, 12,334.23 and 4,904.69

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Solution

The fourth proportional to 8,937.68, 12,334.23 and 4,904.69 is: 6,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.68 : 12,334.23 = 4,904.69 : x
  2. Step 2: Convert to fraction form
    8,937.68/12,334.23 = 4,904.69/x
  3. Step 3: Cross multiply
    8,937.68x = 12,334.23 × 4,904.69
  4. Step 4: Simplify right side
    8,937.68x = 60,495,512.87
  5. Step 5: Solve for x
    x = 60,495,512.87/8,937.68
  6. Step 6: Final answer
    x = 6,768.59

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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.