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Finding the Fourth Proportional to 17,887.16, 24,683.78 and 9,929.46

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Solution

The fourth proportional to 17,887.16, 24,683.78 and 9,929.46 is: 13,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.16 : 24,683.78 = 9,929.46 : x
  2. Step 2: Convert to fraction form
    17,887.16/24,683.78 = 9,929.46/x
  3. Step 3: Cross multiply
    17,887.16x = 24,683.78 × 9,929.46
  4. Step 4: Simplify right side
    17,887.16x = 245,096,606.16
  5. Step 5: Solve for x
    x = 245,096,606.16/17,887.16
  6. Step 6: Final answer
    x = 13,702.38

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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.