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Finding the Fourth Proportional to 75,994.64, 104,818.22 and 53,338.69

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Solution

The fourth proportional to 75,994.64, 104,818.22 and 53,338.69 is: 73,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,994.64 : 104,818.22 = 53,338.69 : x
  2. Step 2: Convert to fraction form
    75,994.64/104,818.22 = 53,338.69/x
  3. Step 3: Cross multiply
    75,994.64x = 104,818.22 × 53,338.69
  4. Step 4: Simplify right side
    75,994.64x = 5,590,866,014.19
  5. Step 5: Solve for x
    x = 5,590,866,014.19/75,994.64
  6. Step 6: Final answer
    x = 73,569.21

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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.