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Finding the Fourth Proportional to 74,806.56, 103,218.89 and 44,594.72

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Solution

The fourth proportional to 74,806.56, 103,218.89 and 44,594.72 is: 61,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,806.56 : 103,218.89 = 44,594.72 : x
  2. Step 2: Convert to fraction form
    74,806.56/103,218.89 = 44,594.72/x
  3. Step 3: Cross multiply
    74,806.56x = 103,218.89 × 44,594.72
  4. Step 4: Simplify right side
    74,806.56x = 4,603,017,977.72
  5. Step 5: Solve for x
    x = 4,603,017,977.72/74,806.56
  6. Step 6: Final answer
    x = 61,532.28

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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.