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Finding the Fourth Proportional to 74,595.85, 102,951.05 and 41,895.64

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Solution

The fourth proportional to 74,595.85, 102,951.05 and 41,895.64 is: 57,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,595.85 : 102,951.05 = 41,895.64 : x
  2. Step 2: Convert to fraction form
    74,595.85/102,951.05 = 41,895.64/x
  3. Step 3: Cross multiply
    74,595.85x = 102,951.05 × 41,895.64
  4. Step 4: Simplify right side
    74,595.85x = 4,313,200,128.42
  5. Step 5: Solve for x
    x = 4,313,200,128.42/74,595.85
  6. Step 6: Final answer
    x = 57,820.91

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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.