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Finding the Fourth Proportional to 66,796.84, 92,242.08 and 42,964.89

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Solution

The fourth proportional to 66,796.84, 92,242.08 and 42,964.89 is: 59,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,796.84 : 92,242.08 = 42,964.89 : x
  2. Step 2: Convert to fraction form
    66,796.84/92,242.08 = 42,964.89/x
  3. Step 3: Cross multiply
    66,796.84x = 92,242.08 × 42,964.89
  4. Step 4: Simplify right side
    66,796.84x = 3,963,170,359.36
  5. Step 5: Solve for x
    x = 3,963,170,359.36/66,796.84
  6. Step 6: Final answer
    x = 59,331.70

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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.