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Finding the Fourth Proportional to 66,878.76, 92,292.48 and 36,665.34

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Solution

The fourth proportional to 66,878.76, 92,292.48 and 36,665.34 is: 50,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,878.76 : 92,292.48 = 36,665.34 : x
  2. Step 2: Convert to fraction form
    66,878.76/92,292.48 = 36,665.34/x
  3. Step 3: Cross multiply
    66,878.76x = 92,292.48 × 36,665.34
  4. Step 4: Simplify right side
    66,878.76x = 3,383,935,158.64
  5. Step 5: Solve for x
    x = 3,383,935,158.64/66,878.76
  6. Step 6: Final answer
    x = 50,598.05

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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.