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Finding the Fourth Proportional to 50,088.92, 75,126.02 and 18,916.88

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Solution

The fourth proportional to 50,088.92, 75,126.02 and 18,916.88 is: 28,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,088.92 : 75,126.02 = 18,916.88 : x
  2. Step 2: Convert to fraction form
    50,088.92/75,126.02 = 18,916.88/x
  3. Step 3: Cross multiply
    50,088.92x = 75,126.02 × 18,916.88
  4. Step 4: Simplify right side
    50,088.92x = 1,421,149,435.00
  5. Step 5: Solve for x
    x = 1,421,149,435.00/50,088.92
  6. Step 6: Final answer
    x = 28,372.53

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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.