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Finding the Fourth Proportional to 47,586.60, 66,713.40 and 47,586.60

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Solution

The fourth proportional to 47,586.60, 66,713.40 and 47,586.60 is: 66,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,586.60 : 66,713.40 = 47,586.60 : x
  2. Step 2: Convert to fraction form
    47,586.60/66,713.40 = 47,586.60/x
  3. Step 3: Cross multiply
    47,586.60x = 66,713.40 × 47,586.60
  4. Step 4: Simplify right side
    47,586.60x = 3,174,663,880.44
  5. Step 5: Solve for x
    x = 3,174,663,880.44/47,586.60
  6. Step 6: Final answer
    x = 66,713.40

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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.