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Finding the Fourth Proportional to 35,785.80, 53,721.90 and 35,526.60

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Solution

The fourth proportional to 35,785.80, 53,721.90 and 35,526.60 is: 53,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.80 : 53,721.90 = 35,526.60 : x
  2. Step 2: Convert to fraction form
    35,785.80/53,721.90 = 35,526.60/x
  3. Step 3: Cross multiply
    35,785.80x = 53,721.90 × 35,526.60
  4. Step 4: Simplify right side
    35,785.80x = 1,908,556,452.54
  5. Step 5: Solve for x
    x = 1,908,556,452.54/35,785.80
  6. Step 6: Final answer
    x = 53,332.79

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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.