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Finding the Fourth Proportional to 66,015.25, 91,098.51 and 35,800.02

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Solution

The fourth proportional to 66,015.25, 91,098.51 and 35,800.02 is: 49,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,015.25 : 91,098.51 = 35,800.02 : x
  2. Step 2: Convert to fraction form
    66,015.25/91,098.51 = 35,800.02/x
  3. Step 3: Cross multiply
    66,015.25x = 91,098.51 × 35,800.02
  4. Step 4: Simplify right side
    66,015.25x = 3,261,328,345.72
  5. Step 5: Solve for x
    x = 3,261,328,345.72/66,015.25
  6. Step 6: Final answer
    x = 49,402.65

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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.