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Finding the Fourth Proportional to 4,866.76, 6,711.78 and 4,364.20

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Solution

The fourth proportional to 4,866.76, 6,711.78 and 4,364.20 is: 6,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.76 : 6,711.78 = 4,364.20 : x
  2. Step 2: Convert to fraction form
    4,866.76/6,711.78 = 4,364.20/x
  3. Step 3: Cross multiply
    4,866.76x = 6,711.78 × 4,364.20
  4. Step 4: Simplify right side
    4,866.76x = 29,291,550.28
  5. Step 5: Solve for x
    x = 29,291,550.28/4,866.76
  6. Step 6: Final answer
    x = 6,018.70

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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.