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Finding the Fourth Proportional to 39,661.43, 59,494.11 and 13,010.10

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Solution

The fourth proportional to 39,661.43, 59,494.11 and 13,010.10 is: 19,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.43 : 59,494.11 = 13,010.10 : x
  2. Step 2: Convert to fraction form
    39,661.43/59,494.11 = 13,010.10/x
  3. Step 3: Cross multiply
    39,661.43x = 59,494.11 × 13,010.10
  4. Step 4: Simplify right side
    39,661.43x = 774,024,320.51
  5. Step 5: Solve for x
    x = 774,024,320.51/39,661.43
  6. Step 6: Final answer
    x = 19,515.80

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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.