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Finding the Fourth Proportional to 66,118.84, 91,244.17 and 35,904.66

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Solution

The fourth proportional to 66,118.84, 91,244.17 and 35,904.66 is: 49,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118.84 : 91,244.17 = 35,904.66 : x
  2. Step 2: Convert to fraction form
    66,118.84/91,244.17 = 35,904.66/x
  3. Step 3: Cross multiply
    66,118.84x = 91,244.17 × 35,904.66
  4. Step 4: Simplify right side
    66,118.84x = 3,276,090,603.55
  5. Step 5: Solve for x
    x = 3,276,090,603.55/66,118.84
  6. Step 6: Final answer
    x = 49,548.52

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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.