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Finding the Fourth Proportional to 77,358.55, 116,015.32 and 29,963.08

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Solution

The fourth proportional to 77,358.55, 116,015.32 and 29,963.08 is: 44,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,358.55 : 116,015.32 = 29,963.08 : x
  2. Step 2: Convert to fraction form
    77,358.55/116,015.32 = 29,963.08/x
  3. Step 3: Cross multiply
    77,358.55x = 116,015.32 × 29,963.08
  4. Step 4: Simplify right side
    77,358.55x = 3,476,176,314.39
  5. Step 5: Solve for x
    x = 3,476,176,314.39/77,358.55
  6. Step 6: Final answer
    x = 44,935.90

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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.