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Finding the Fourth Proportional to 73,428.93, 110,143.50 and 18,024.93

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Solution

The fourth proportional to 73,428.93, 110,143.50 and 18,024.93 is: 27,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,428.93 : 110,143.50 = 18,024.93 : x
  2. Step 2: Convert to fraction form
    73,428.93/110,143.50 = 18,024.93/x
  3. Step 3: Cross multiply
    73,428.93x = 110,143.50 × 18,024.93
  4. Step 4: Simplify right side
    73,428.93x = 1,985,328,877.46
  5. Step 5: Solve for x
    x = 1,985,328,877.46/73,428.93
  6. Step 6: Final answer
    x = 27,037.42

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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.