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Finding the Fourth Proportional to 35,658.76, 49,197.78 and 20,751.88

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Solution

The fourth proportional to 35,658.76, 49,197.78 and 20,751.88 is: 28,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.76 : 49,197.78 = 20,751.88 : x
  2. Step 2: Convert to fraction form
    35,658.76/49,197.78 = 20,751.88/x
  3. Step 3: Cross multiply
    35,658.76x = 49,197.78 × 20,751.88
  4. Step 4: Simplify right side
    35,658.76x = 1,020,946,426.83
  5. Step 5: Solve for x
    x = 1,020,946,426.83/35,658.76
  6. Step 6: Final answer
    x = 28,631.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.