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Finding the Fourth Proportional to 49,250.63, 73,875.95 and 12,314.63

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Solution

The fourth proportional to 49,250.63, 73,875.95 and 12,314.63 is: 18,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,250.63 : 73,875.95 = 12,314.63 : x
  2. Step 2: Convert to fraction form
    49,250.63/73,875.95 = 12,314.63/x
  3. Step 3: Cross multiply
    49,250.63x = 73,875.95 × 12,314.63
  4. Step 4: Simplify right side
    49,250.63x = 909,754,559.20
  5. Step 5: Solve for x
    x = 909,754,559.20/49,250.63
  6. Step 6: Final answer
    x = 18,471.94

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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.