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Finding the Fourth Proportional to 54,970.69, 75,859.70 and 29,820.19

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Solution

The fourth proportional to 54,970.69, 75,859.70 and 29,820.19 is: 41,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,970.69 : 75,859.70 = 29,820.19 : x
  2. Step 2: Convert to fraction form
    54,970.69/75,859.70 = 29,820.19/x
  3. Step 3: Cross multiply
    54,970.69x = 75,859.70 × 29,820.19
  4. Step 4: Simplify right side
    54,970.69x = 2,262,150,856.99
  5. Step 5: Solve for x
    x = 2,262,150,856.99/54,970.69
  6. Step 6: Final answer
    x = 41,151.94

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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.