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Finding the Fourth Proportional to 85,866.02, 118,496.09 and 47,626.33

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Solution

The fourth proportional to 85,866.02, 118,496.09 and 47,626.33 is: 65,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,866.02 : 118,496.09 = 47,626.33 : x
  2. Step 2: Convert to fraction form
    85,866.02/118,496.09 = 47,626.33/x
  3. Step 3: Cross multiply
    85,866.02x = 118,496.09 × 47,626.33
  4. Step 4: Simplify right side
    85,866.02x = 5,643,533,886.05
  5. Step 5: Solve for x
    x = 5,643,533,886.05/85,866.02
  6. Step 6: Final answer
    x = 65,724.88

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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.