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Finding the Fourth Proportional to 32,988.42, 49,482.72 and 8,028.47

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Solution

The fourth proportional to 32,988.42, 49,482.72 and 8,028.47 is: 12,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,988.42 : 49,482.72 = 8,028.47 : x
  2. Step 2: Convert to fraction form
    32,988.42/49,482.72 = 8,028.47/x
  3. Step 3: Cross multiply
    32,988.42x = 49,482.72 × 8,028.47
  4. Step 4: Simplify right side
    32,988.42x = 397,270,285.62
  5. Step 5: Solve for x
    x = 397,270,285.62/32,988.42
  6. Step 6: Final answer
    x = 12,042.72

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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.