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Finding the Fourth Proportional to 66,088.32, 91,207.35 and 37,799.46

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Solution

The fourth proportional to 66,088.32, 91,207.35 and 37,799.46 is: 52,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,088.32 : 91,207.35 = 37,799.46 : x
  2. Step 2: Convert to fraction form
    66,088.32/91,207.35 = 37,799.46/x
  3. Step 3: Cross multiply
    66,088.32x = 91,207.35 × 37,799.46
  4. Step 4: Simplify right side
    66,088.32x = 3,447,588,578.03
  5. Step 5: Solve for x
    x = 3,447,588,578.03/66,088.32
  6. Step 6: Final answer
    x = 52,166.38

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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.