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Finding the Fourth Proportional to 77,340.88, 116,033.10 and 29,970.28

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Solution

The fourth proportional to 77,340.88, 116,033.10 and 29,970.28 is: 44,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340.88 : 116,033.10 = 29,970.28 : x
  2. Step 2: Convert to fraction form
    77,340.88/116,033.10 = 29,970.28/x
  3. Step 3: Cross multiply
    77,340.88x = 116,033.10 × 29,970.28
  4. Step 4: Simplify right side
    77,340.88x = 3,477,544,496.27
  5. Step 5: Solve for x
    x = 3,477,544,496.27/77,340.88
  6. Step 6: Final answer
    x = 44,963.86

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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.