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Finding the Fourth Proportional to 66,894.40, 92,314.24 and 37,086.40

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Solution

The fourth proportional to 66,894.40, 92,314.24 and 37,086.40 is: 51,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,894.40 : 92,314.24 = 37,086.40 : x
  2. Step 2: Convert to fraction form
    66,894.40/92,314.24 = 37,086.40/x
  3. Step 3: Cross multiply
    66,894.40x = 92,314.24 × 37,086.40
  4. Step 4: Simplify right side
    66,894.40x = 3,423,602,830.34
  5. Step 5: Solve for x
    x = 3,423,602,830.34/66,894.40
  6. Step 6: Final answer
    x = 51,179.21

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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.