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Finding the Fourth Proportional to 63,860.51, 88,129.13 and 35,566.80

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Solution

The fourth proportional to 63,860.51, 88,129.13 and 35,566.80 is: 49,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,860.51 : 88,129.13 = 35,566.80 : x
  2. Step 2: Convert to fraction form
    63,860.51/88,129.13 = 35,566.80/x
  3. Step 3: Cross multiply
    63,860.51x = 88,129.13 × 35,566.80
  4. Step 4: Simplify right side
    63,860.51x = 3,134,470,963.05
  5. Step 5: Solve for x
    x = 3,134,470,963.05/63,860.51
  6. Step 6: Final answer
    x = 49,083.09

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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.