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Finding the Fourth Proportional to 33,000.80, 49,501.20 and 31,834.40

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Solution

The fourth proportional to 33,000.80, 49,501.20 and 31,834.40 is: 47,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.80 : 49,501.20 = 31,834.40 : x
  2. Step 2: Convert to fraction form
    33,000.80/49,501.20 = 31,834.40/x
  3. Step 3: Cross multiply
    33,000.80x = 49,501.20 × 31,834.40
  4. Step 4: Simplify right side
    33,000.80x = 1,575,841,001.28
  5. Step 5: Solve for x
    x = 1,575,841,001.28/33,000.80
  6. Step 6: Final answer
    x = 47,751.60

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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.