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Finding the Fourth Proportional to 37,253.95, 51,429.50 and 28,736.95

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Solution

The fourth proportional to 37,253.95, 51,429.50 and 28,736.95 is: 39,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,253.95 : 51,429.50 = 28,736.95 : x
  2. Step 2: Convert to fraction form
    37,253.95/51,429.50 = 28,736.95/x
  3. Step 3: Cross multiply
    37,253.95x = 51,429.50 × 28,736.95
  4. Step 4: Simplify right side
    37,253.95x = 1,477,926,970.03
  5. Step 5: Solve for x
    x = 1,477,926,970.03/37,253.95
  6. Step 6: Final answer
    x = 39,671.69

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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.