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Finding the Fourth Proportional to 6,650.32, 9,916.80 and 6,323.29

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Solution

The fourth proportional to 6,650.32, 9,916.80 and 6,323.29 is: 9,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.32 : 9,916.80 = 6,323.29 : x
  2. Step 2: Convert to fraction form
    6,650.32/9,916.80 = 6,323.29/x
  3. Step 3: Cross multiply
    6,650.32x = 9,916.80 × 6,323.29
  4. Step 4: Simplify right side
    6,650.32x = 62,706,835.01
  5. Step 5: Solve for x
    x = 62,706,835.01/6,650.32
  6. Step 6: Final answer
    x = 9,429.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.