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Finding the Fourth Proportional to 35,363.93, 48,803.13 and 19,448.78

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Solution

The fourth proportional to 35,363.93, 48,803.13 and 19,448.78 is: 26,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,363.93 : 48,803.13 = 19,448.78 : x
  2. Step 2: Convert to fraction form
    35,363.93/48,803.13 = 19,448.78/x
  3. Step 3: Cross multiply
    35,363.93x = 48,803.13 × 19,448.78
  4. Step 4: Simplify right side
    35,363.93x = 949,161,094.67
  5. Step 5: Solve for x
    x = 949,161,094.67/35,363.93
  6. Step 6: Final answer
    x = 26,839.81

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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.