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Finding the Fourth Proportional to 35,034.72, 48,348.48 and 20,895.84

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Solution

The fourth proportional to 35,034.72, 48,348.48 and 20,895.84 is: 28,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,034.72 : 48,348.48 = 20,895.84 : x
  2. Step 2: Convert to fraction form
    35,034.72/48,348.48 = 20,895.84/x
  3. Step 3: Cross multiply
    35,034.72x = 48,348.48 × 20,895.84
  4. Step 4: Simplify right side
    35,034.72x = 1,010,282,102.32
  5. Step 5: Solve for x
    x = 1,010,282,102.32/35,034.72
  6. Step 6: Final answer
    x = 28,836.60

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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.