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Finding the Fourth Proportional to 35,700.75, 49,267.04 and 19,787.59

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Solution

The fourth proportional to 35,700.75, 49,267.04 and 19,787.59 is: 27,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,700.75 : 49,267.04 = 19,787.59 : x
  2. Step 2: Convert to fraction form
    35,700.75/49,267.04 = 19,787.59/x
  3. Step 3: Cross multiply
    35,700.75x = 49,267.04 × 19,787.59
  4. Step 4: Simplify right side
    35,700.75x = 974,875,950.68
  5. Step 5: Solve for x
    x = 974,875,950.68/35,700.75
  6. Step 6: Final answer
    x = 27,306.88

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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.