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Finding the Fourth Proportional to 8,980.32, 13,482.96 and 5,881.44

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Solution

The fourth proportional to 8,980.32, 13,482.96 and 5,881.44 is: 8,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.32 : 13,482.96 = 5,881.44 : x
  2. Step 2: Convert to fraction form
    8,980.32/13,482.96 = 5,881.44/x
  3. Step 3: Cross multiply
    8,980.32x = 13,482.96 × 5,881.44
  4. Step 4: Simplify right side
    8,980.32x = 79,299,220.26
  5. Step 5: Solve for x
    x = 79,299,220.26/8,980.32
  6. Step 6: Final answer
    x = 8,830.33

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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.