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Finding the Fourth Proportional to 75,253.85, 112,880.78 and 25,329.77

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Solution

The fourth proportional to 75,253.85, 112,880.78 and 25,329.77 is: 37,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,253.85 : 112,880.78 = 25,329.77 : x
  2. Step 2: Convert to fraction form
    75,253.85/112,880.78 = 25,329.77/x
  3. Step 3: Cross multiply
    75,253.85x = 112,880.78 × 25,329.77
  4. Step 4: Simplify right side
    75,253.85x = 2,859,243,503.77
  5. Step 5: Solve for x
    x = 2,859,243,503.77/75,253.85
  6. Step 6: Final answer
    x = 37,994.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.