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Finding the Fourth Proportional to 35,803.47, 49,400.84 and 21,656.01

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Solution

The fourth proportional to 35,803.47, 49,400.84 and 21,656.01 is: 29,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,803.47 : 49,400.84 = 21,656.01 : x
  2. Step 2: Convert to fraction form
    35,803.47/49,400.84 = 21,656.01/x
  3. Step 3: Cross multiply
    35,803.47x = 49,400.84 × 21,656.01
  4. Step 4: Simplify right side
    35,803.47x = 1,069,824,976.77
  5. Step 5: Solve for x
    x = 1,069,824,976.77/35,803.47
  6. Step 6: Final answer
    x = 29,880.48

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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.