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Finding the Fourth Proportional to 39,859.53, 59,792.74 and 10,277.12

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Solution

The fourth proportional to 39,859.53, 59,792.74 and 10,277.12 is: 15,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,859.53 : 59,792.74 = 10,277.12 : x
  2. Step 2: Convert to fraction form
    39,859.53/59,792.74 = 10,277.12/x
  3. Step 3: Cross multiply
    39,859.53x = 59,792.74 × 10,277.12
  4. Step 4: Simplify right side
    39,859.53x = 614,496,839.45
  5. Step 5: Solve for x
    x = 614,496,839.45/39,859.53
  6. Step 6: Final answer
    x = 15,416.56

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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.