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Finding the Fourth Proportional to 17,887.15, 24,683.16 and 9,928.90

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Solution

The fourth proportional to 17,887.15, 24,683.16 and 9,928.90 is: 13,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.15 : 24,683.16 = 9,928.90 : x
  2. Step 2: Convert to fraction form
    17,887.15/24,683.16 = 9,928.90/x
  3. Step 3: Cross multiply
    17,887.15x = 24,683.16 × 9,928.90
  4. Step 4: Simplify right side
    17,887.15x = 245,076,627.32
  5. Step 5: Solve for x
    x = 245,076,627.32/17,887.15
  6. Step 6: Final answer
    x = 13,701.27

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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.