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Finding the Fourth Proportional to 39,266.60, 54,856.60 and 39,266.60

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Solution

The fourth proportional to 39,266.60, 54,856.60 and 39,266.60 is: 54,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,266.60 : 54,856.60 = 39,266.60 : x
  2. Step 2: Convert to fraction form
    39,266.60/54,856.60 = 39,266.60/x
  3. Step 3: Cross multiply
    39,266.60x = 54,856.60 × 39,266.60
  4. Step 4: Simplify right side
    39,266.60x = 2,154,032,169.56
  5. Step 5: Solve for x
    x = 2,154,032,169.56/39,266.60
  6. Step 6: Final answer
    x = 54,856.60

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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.