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Finding the Fourth Proportional to 7,210.02, 9,947.14 and 4,853.73

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Solution

The fourth proportional to 7,210.02, 9,947.14 and 4,853.73 is: 6,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.02 : 9,947.14 = 4,853.73 : x
  2. Step 2: Convert to fraction form
    7,210.02/9,947.14 = 4,853.73/x
  3. Step 3: Cross multiply
    7,210.02x = 9,947.14 × 4,853.73
  4. Step 4: Simplify right side
    7,210.02x = 48,280,731.83
  5. Step 5: Solve for x
    x = 48,280,731.83/7,210.02
  6. Step 6: Final answer
    x = 6,696.34

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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.