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Finding the Fourth Proportional to 8,907.32, 13,348.20 and 5,003.51

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Solution

The fourth proportional to 8,907.32, 13,348.20 and 5,003.51 is: 7,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.32 : 13,348.20 = 5,003.51 : x
  2. Step 2: Convert to fraction form
    8,907.32/13,348.20 = 5,003.51/x
  3. Step 3: Cross multiply
    8,907.32x = 13,348.20 × 5,003.51
  4. Step 4: Simplify right side
    8,907.32x = 66,787,852.18
  5. Step 5: Solve for x
    x = 66,787,852.18/8,907.32
  6. Step 6: Final answer
    x = 7,498.09

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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.