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Finding the Fourth Proportional to 48,750.19, 73,125.28 and 11,814.19

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Solution

The fourth proportional to 48,750.19, 73,125.28 and 11,814.19 is: 17,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,750.19 : 73,125.28 = 11,814.19 : x
  2. Step 2: Convert to fraction form
    48,750.19/73,125.28 = 11,814.19/x
  3. Step 3: Cross multiply
    48,750.19x = 73,125.28 × 11,814.19
  4. Step 4: Simplify right side
    48,750.19x = 863,915,783.68
  5. Step 5: Solve for x
    x = 863,915,783.68/48,750.19
  6. Step 6: Final answer
    x = 17,721.28

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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.