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Finding the Fourth Proportional to 35,599.76, 53,397.78 and 10,640.02

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Solution

The fourth proportional to 35,599.76, 53,397.78 and 10,640.02 is: 15,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,599.76 : 53,397.78 = 10,640.02 : x
  2. Step 2: Convert to fraction form
    35,599.76/53,397.78 = 10,640.02/x
  3. Step 3: Cross multiply
    35,599.76x = 53,397.78 × 10,640.02
  4. Step 4: Simplify right side
    35,599.76x = 568,153,447.16
  5. Step 5: Solve for x
    x = 568,153,447.16/35,599.76
  6. Step 6: Final answer
    x = 15,959.47

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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.