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Finding the Fourth Proportional to 66,863.88, 99,698.04 and 65,026.80

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Solution

The fourth proportional to 66,863.88, 99,698.04 and 65,026.80 is: 96,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,863.88 : 99,698.04 = 65,026.80 : x
  2. Step 2: Convert to fraction form
    66,863.88/99,698.04 = 65,026.80/x
  3. Step 3: Cross multiply
    66,863.88x = 99,698.04 × 65,026.80
  4. Step 4: Simplify right side
    66,863.88x = 6,483,044,507.47
  5. Step 5: Solve for x
    x = 6,483,044,507.47/66,863.88
  6. Step 6: Final answer
    x = 96,958.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.