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Finding the Fourth Proportional to 49,903.91, 74,856.90 and 17,885.06

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Solution

The fourth proportional to 49,903.91, 74,856.90 and 17,885.06 is: 26,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903.91 : 74,856.90 = 17,885.06 : x
  2. Step 2: Convert to fraction form
    49,903.91/74,856.90 = 17,885.06/x
  3. Step 3: Cross multiply
    49,903.91x = 74,856.90 × 17,885.06
  4. Step 4: Simplify right side
    49,903.91x = 1,338,820,020.81
  5. Step 5: Solve for x
    x = 1,338,820,020.81/49,903.91
  6. Step 6: Final answer
    x = 26,827.96

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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.