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Finding the Fourth Proportional to 39,883.80, 59,825.70 and 25,109.40

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Solution

The fourth proportional to 39,883.80, 59,825.70 and 25,109.40 is: 37,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,883.80 : 59,825.70 = 25,109.40 : x
  2. Step 2: Convert to fraction form
    39,883.80/59,825.70 = 25,109.40/x
  3. Step 3: Cross multiply
    39,883.80x = 59,825.70 × 25,109.40
  4. Step 4: Simplify right side
    39,883.80x = 1,502,187,431.58
  5. Step 5: Solve for x
    x = 1,502,187,431.58/39,883.80
  6. Step 6: Final answer
    x = 37,664.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.