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Finding the Fourth Proportional to 32,343.88, 48,515.82 and 8,970.32

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Solution

The fourth proportional to 32,343.88, 48,515.82 and 8,970.32 is: 13,455.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,343.88 : 48,515.82 = 8,970.32 : x
  2. Step 2: Convert to fraction form
    32,343.88/48,515.82 = 8,970.32/x
  3. Step 3: Cross multiply
    32,343.88x = 48,515.82 × 8,970.32
  4. Step 4: Simplify right side
    32,343.88x = 435,202,143.03
  5. Step 5: Solve for x
    x = 435,202,143.03/32,343.88
  6. Step 6: Final answer
    x = 13,455.47

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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.