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Finding the Fourth Proportional to 75,297.75, 112,923.59 and 25,364.45

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Solution

The fourth proportional to 75,297.75, 112,923.59 and 25,364.45 is: 38,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,297.75 : 112,923.59 = 25,364.45 : x
  2. Step 2: Convert to fraction form
    75,297.75/112,923.59 = 25,364.45/x
  3. Step 3: Cross multiply
    75,297.75x = 112,923.59 × 25,364.45
  4. Step 4: Simplify right side
    75,297.75x = 2,864,244,907.86
  5. Step 5: Solve for x
    x = 2,864,244,907.86/75,297.75
  6. Step 6: Final answer
    x = 38,038.92

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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.