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Finding the Fourth Proportional to 73,044.48, 100,774.32 and 53,970.24

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Solution

The fourth proportional to 73,044.48, 100,774.32 and 53,970.24 is: 74,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,044.48 : 100,774.32 = 53,970.24 : x
  2. Step 2: Convert to fraction form
    73,044.48/100,774.32 = 53,970.24/x
  3. Step 3: Cross multiply
    73,044.48x = 100,774.32 × 53,970.24
  4. Step 4: Simplify right side
    73,044.48x = 5,438,814,236.24
  5. Step 5: Solve for x
    x = 5,438,814,236.24/73,044.48
  6. Step 6: Final answer
    x = 74,458.94

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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.