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Finding the Fourth Proportional to 74,572.62, 102,910.42 and 41,038.62

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Solution

The fourth proportional to 74,572.62, 102,910.42 and 41,038.62 is: 56,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.62 : 102,910.42 = 41,038.62 : x
  2. Step 2: Convert to fraction form
    74,572.62/102,910.42 = 41,038.62/x
  3. Step 3: Cross multiply
    74,572.62x = 102,910.42 × 41,038.62
  4. Step 4: Simplify right side
    74,572.62x = 4,223,301,620.42
  5. Step 5: Solve for x
    x = 4,223,301,620.42/74,572.62
  6. Step 6: Final answer
    x = 56,633.41

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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.