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Finding the Fourth Proportional to 35,803.76, 53,711.10 and 18,264.02

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Solution

The fourth proportional to 35,803.76, 53,711.10 and 18,264.02 is: 27,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,803.76 : 53,711.10 = 18,264.02 : x
  2. Step 2: Convert to fraction form
    35,803.76/53,711.10 = 18,264.02/x
  3. Step 3: Cross multiply
    35,803.76x = 53,711.10 × 18,264.02
  4. Step 4: Simplify right side
    35,803.76x = 980,980,336.07
  5. Step 5: Solve for x
    x = 980,980,336.07/35,803.76
  6. Step 6: Final answer
    x = 27,398.81

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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.