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Finding the Fourth Proportional to 75,362.89, 103,967.51 and 46,674.92

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Solution

The fourth proportional to 75,362.89, 103,967.51 and 46,674.92 is: 64,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,362.89 : 103,967.51 = 46,674.92 : x
  2. Step 2: Convert to fraction form
    75,362.89/103,967.51 = 46,674.92/x
  3. Step 3: Cross multiply
    75,362.89x = 103,967.51 × 46,674.92
  4. Step 4: Simplify right side
    75,362.89x = 4,852,675,211.85
  5. Step 5: Solve for x
    x = 4,852,675,211.85/75,362.89
  6. Step 6: Final answer
    x = 64,390.78

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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.