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Finding the Fourth Proportional to 8,893.50, 13,340.25 and 2,737.50

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Solution

The fourth proportional to 8,893.50, 13,340.25 and 2,737.50 is: 4,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.50 : 13,340.25 = 2,737.50 : x
  2. Step 2: Convert to fraction form
    8,893.50/13,340.25 = 2,737.50/x
  3. Step 3: Cross multiply
    8,893.50x = 13,340.25 × 2,737.50
  4. Step 4: Simplify right side
    8,893.50x = 36,518,934.38
  5. Step 5: Solve for x
    x = 36,518,934.38/8,893.50
  6. Step 6: Final answer
    x = 4,106.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.