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Finding the Fourth Proportional to 8,880.39, 12,254.94 and 4,901.67

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Solution

The fourth proportional to 8,880.39, 12,254.94 and 4,901.67 is: 6,764.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.39 : 12,254.94 = 4,901.67 : x
  2. Step 2: Convert to fraction form
    8,880.39/12,254.94 = 4,901.67/x
  3. Step 3: Cross multiply
    8,880.39x = 12,254.94 × 4,901.67
  4. Step 4: Simplify right side
    8,880.39x = 60,069,671.75
  5. Step 5: Solve for x
    x = 60,069,671.75/8,880.39
  6. Step 6: Final answer
    x = 6,764.31

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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.