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Finding the Fourth Proportional to 7,224.02, 9,966.18 and 4,866.92

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Solution

The fourth proportional to 7,224.02, 9,966.18 and 4,866.92 is: 6,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.02 : 9,966.18 = 4,866.92 : x
  2. Step 2: Convert to fraction form
    7,224.02/9,966.18 = 4,866.92/x
  3. Step 3: Cross multiply
    7,224.02x = 9,966.18 × 4,866.92
  4. Step 4: Simplify right side
    7,224.02x = 48,504,600.77
  5. Step 5: Solve for x
    x = 48,504,600.77/7,224.02
  6. Step 6: Final answer
    x = 6,714.35

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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.