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Finding the Fourth Proportional to 7,802.09, 10,766.06 and 4,444.20

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Solution

The fourth proportional to 7,802.09, 10,766.06 and 4,444.20 is: 6,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.09 : 10,766.06 = 4,444.20 : x
  2. Step 2: Convert to fraction form
    7,802.09/10,766.06 = 4,444.20/x
  3. Step 3: Cross multiply
    7,802.09x = 10,766.06 × 4,444.20
  4. Step 4: Simplify right side
    7,802.09x = 47,846,470.02
  5. Step 5: Solve for x
    x = 47,846,470.02/7,802.09
  6. Step 6: Final answer
    x = 6,132.52

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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.