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Finding the Fourth Proportional to 32,617.92, 48,920.40 and 15,970.80

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Solution

The fourth proportional to 32,617.92, 48,920.40 and 15,970.80 is: 23,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,617.92 : 48,920.40 = 15,970.80 : x
  2. Step 2: Convert to fraction form
    32,617.92/48,920.40 = 15,970.80/x
  3. Step 3: Cross multiply
    32,617.92x = 48,920.40 × 15,970.80
  4. Step 4: Simplify right side
    32,617.92x = 781,297,924.32
  5. Step 5: Solve for x
    x = 781,297,924.32/32,617.92
  6. Step 6: Final answer
    x = 23,953.03

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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.