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Finding the Fourth Proportional to 66,088.82, 91,208.04 and 37,799.96

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Solution

The fourth proportional to 66,088.82, 91,208.04 and 37,799.96 is: 52,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,088.82 : 91,208.04 = 37,799.96 : x
  2. Step 2: Convert to fraction form
    66,088.82/91,208.04 = 37,799.96/x
  3. Step 3: Cross multiply
    66,088.82x = 91,208.04 × 37,799.96
  4. Step 4: Simplify right side
    66,088.82x = 3,447,660,263.68
  5. Step 5: Solve for x
    x = 3,447,660,263.68/66,088.82
  6. Step 6: Final answer
    x = 52,167.07

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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.