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Finding the Fourth Proportional to 89,208.52, 133,812.84 and 22,653.64

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Solution

The fourth proportional to 89,208.52, 133,812.84 and 22,653.64 is: 33,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.52 : 133,812.84 = 22,653.64 : x
  2. Step 2: Convert to fraction form
    89,208.52/133,812.84 = 22,653.64/x
  3. Step 3: Cross multiply
    89,208.52x = 133,812.84 × 22,653.64
  4. Step 4: Simplify right side
    89,208.52x = 3,031,347,904.74
  5. Step 5: Solve for x
    x = 3,031,347,904.74/89,208.52
  6. Step 6: Final answer
    x = 33,980.48

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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.