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Finding the Fourth Proportional to 6,483.72, 8,963.49 and 6,424.53

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Solution

The fourth proportional to 6,483.72, 8,963.49 and 6,424.53 is: 8,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.72 : 8,963.49 = 6,424.53 : x
  2. Step 2: Convert to fraction form
    6,483.72/8,963.49 = 6,424.53/x
  3. Step 3: Cross multiply
    6,483.72x = 8,963.49 × 6,424.53
  4. Step 4: Simplify right side
    6,483.72x = 57,586,210.41
  5. Step 5: Solve for x
    x = 57,586,210.41/6,483.72
  6. Step 6: Final answer
    x = 8,881.66

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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.