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Finding the Fourth Proportional to 35,793.60, 53,632.80 and 29,918.40

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Solution

The fourth proportional to 35,793.60, 53,632.80 and 29,918.40 is: 44,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,793.60 : 53,632.80 = 29,918.40 : x
  2. Step 2: Convert to fraction form
    35,793.60/53,632.80 = 29,918.40/x
  3. Step 3: Cross multiply
    35,793.60x = 53,632.80 × 29,918.40
  4. Step 4: Simplify right side
    35,793.60x = 1,604,607,563.52
  5. Step 5: Solve for x
    x = 1,604,607,563.52/35,793.60
  6. Step 6: Final answer
    x = 44,829.45

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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.