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Finding the Fourth Proportional to 17,745.48, 24,488.46 and 9,787.50

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Solution

The fourth proportional to 17,745.48, 24,488.46 and 9,787.50 is: 13,506.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.48 : 24,488.46 = 9,787.50 : x
  2. Step 2: Convert to fraction form
    17,745.48/24,488.46 = 9,787.50/x
  3. Step 3: Cross multiply
    17,745.48x = 24,488.46 × 9,787.50
  4. Step 4: Simplify right side
    17,745.48x = 239,680,802.25
  5. Step 5: Solve for x
    x = 239,680,802.25/17,745.48
  6. Step 6: Final answer
    x = 13,506.58

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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.