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Finding the Fourth Proportional to 47,366.30, 66,435.70 and 47,366.30

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Solution

The fourth proportional to 47,366.30, 66,435.70 and 47,366.30 is: 66,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,366.30 : 66,435.70 = 47,366.30 : x
  2. Step 2: Convert to fraction form
    47,366.30/66,435.70 = 47,366.30/x
  3. Step 3: Cross multiply
    47,366.30x = 66,435.70 × 47,366.30
  4. Step 4: Simplify right side
    47,366.30x = 3,146,813,296.91
  5. Step 5: Solve for x
    x = 3,146,813,296.91/47,366.30
  6. Step 6: Final answer
    x = 66,435.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.