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Finding the Fourth Proportional to 35,803.97, 49,401.53 and 21,656.51

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Solution

The fourth proportional to 35,803.97, 49,401.53 and 21,656.51 is: 29,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,803.97 : 49,401.53 = 21,656.51 : x
  2. Step 2: Convert to fraction form
    35,803.97/49,401.53 = 21,656.51/x
  3. Step 3: Cross multiply
    35,803.97x = 49,401.53 × 21,656.51
  4. Step 4: Simplify right side
    35,803.97x = 1,069,864,620.18
  5. Step 5: Solve for x
    x = 1,069,864,620.18/35,803.97
  6. Step 6: Final answer
    x = 29,881.17

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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.