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Finding the Fourth Proportional to 88,963.64, 133,411.92 and 28,976.45

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Solution

The fourth proportional to 88,963.64, 133,411.92 and 28,976.45 is: 43,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,963.64 : 133,411.92 = 28,976.45 : x
  2. Step 2: Convert to fraction form
    88,963.64/133,411.92 = 28,976.45/x
  3. Step 3: Cross multiply
    88,963.64x = 133,411.92 × 28,976.45
  4. Step 4: Simplify right side
    88,963.64x = 3,865,803,162.22
  5. Step 5: Solve for x
    x = 3,865,803,162.22/88,963.64
  6. Step 6: Final answer
    x = 43,453.75

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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.