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Finding the Fourth Proportional to 6,802.71, 9,389.41 and 4,152.34

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Solution

The fourth proportional to 6,802.71, 9,389.41 and 4,152.34 is: 5,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.71 : 9,389.41 = 4,152.34 : x
  2. Step 2: Convert to fraction form
    6,802.71/9,389.41 = 4,152.34/x
  3. Step 3: Cross multiply
    6,802.71x = 9,389.41 × 4,152.34
  4. Step 4: Simplify right side
    6,802.71x = 38,987,991.83
  5. Step 5: Solve for x
    x = 38,987,991.83/6,802.71
  6. Step 6: Final answer
    x = 5,731.24

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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.