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Finding the Fourth Proportional to 72,389.00, 108,435.68 and 37,254.85

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Solution

The fourth proportional to 72,389.00, 108,435.68 and 37,254.85 is: 55,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,389.00 : 108,435.68 = 37,254.85 : x
  2. Step 2: Convert to fraction form
    72,389.00/108,435.68 = 37,254.85/x
  3. Step 3: Cross multiply
    72,389.00x = 108,435.68 × 37,254.85
  4. Step 4: Simplify right side
    72,389.00x = 4,039,754,675.39
  5. Step 5: Solve for x
    x = 4,039,754,675.39/72,389.00
  6. Step 6: Final answer
    x = 55,806.19

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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.