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Finding the Fourth Proportional to 74,573.77, 111,779.55 and 37,161.49

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Solution

The fourth proportional to 74,573.77, 111,779.55 and 37,161.49 is: 55,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,573.77 : 111,779.55 = 37,161.49 : x
  2. Step 2: Convert to fraction form
    74,573.77/111,779.55 = 37,161.49/x
  3. Step 3: Cross multiply
    74,573.77x = 111,779.55 × 37,161.49
  4. Step 4: Simplify right side
    74,573.77x = 4,153,894,629.53
  5. Step 5: Solve for x
    x = 4,153,894,629.53/74,573.77
  6. Step 6: Final answer
    x = 55,701.82

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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.