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Finding the Fourth Proportional to 63,479.39, 87,554.99 and 45,592.77

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Solution

The fourth proportional to 63,479.39, 87,554.99 and 45,592.77 is: 62,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,479.39 : 87,554.99 = 45,592.77 : x
  2. Step 2: Convert to fraction form
    63,479.39/87,554.99 = 45,592.77/x
  3. Step 3: Cross multiply
    63,479.39x = 87,554.99 × 45,592.77
  4. Step 4: Simplify right side
    63,479.39x = 3,991,874,293.46
  5. Step 5: Solve for x
    x = 3,991,874,293.46/63,479.39
  6. Step 6: Final answer
    x = 62,884.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.