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Finding the Fourth Proportional to 73,317.78, 110,034.99 and 28,955.70

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Solution

The fourth proportional to 73,317.78, 110,034.99 and 28,955.70 is: 43,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,317.78 : 110,034.99 = 28,955.70 : x
  2. Step 2: Convert to fraction form
    73,317.78/110,034.99 = 28,955.70/x
  3. Step 3: Cross multiply
    73,317.78x = 110,034.99 × 28,955.70
  4. Step 4: Simplify right side
    73,317.78x = 3,186,140,159.94
  5. Step 5: Solve for x
    x = 3,186,140,159.94/73,317.78
  6. Step 6: Final answer
    x = 43,456.58

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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.