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Finding the Fourth Proportional to 56,378.99, 77,768.83 and 37,258.94

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Solution

The fourth proportional to 56,378.99, 77,768.83 and 37,258.94 is: 51,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.99 : 77,768.83 = 37,258.94 : x
  2. Step 2: Convert to fraction form
    56,378.99/77,768.83 = 37,258.94/x
  3. Step 3: Cross multiply
    56,378.99x = 77,768.83 × 37,258.94
  4. Step 4: Simplify right side
    56,378.99x = 2,897,584,170.84
  5. Step 5: Solve for x
    x = 2,897,584,170.84/56,378.99
  6. Step 6: Final answer
    x = 51,394.75

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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.