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Finding the Fourth Proportional to 75,295.81, 112,920.14 and 27,258.35

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Solution

The fourth proportional to 75,295.81, 112,920.14 and 27,258.35 is: 40,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,295.81 : 112,920.14 = 27,258.35 : x
  2. Step 2: Convert to fraction form
    75,295.81/112,920.14 = 27,258.35/x
  3. Step 3: Cross multiply
    75,295.81x = 112,920.14 × 27,258.35
  4. Step 4: Simplify right side
    75,295.81x = 3,078,017,048.62
  5. Step 5: Solve for x
    x = 3,078,017,048.62/75,295.81
  6. Step 6: Final answer
    x = 40,879.00

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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.