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Finding the Fourth Proportional to 35,784.80, 53,720.40 and 35,525.60

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Solution

The fourth proportional to 35,784.80, 53,720.40 and 35,525.60 is: 53,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,784.80 : 53,720.40 = 35,525.60 : x
  2. Step 2: Convert to fraction form
    35,784.80/53,720.40 = 35,525.60/x
  3. Step 3: Cross multiply
    35,784.80x = 53,720.40 × 35,525.60
  4. Step 4: Simplify right side
    35,784.80x = 1,908,449,442.24
  5. Step 5: Solve for x
    x = 1,908,449,442.24/35,784.80
  6. Step 6: Final answer
    x = 53,331.29

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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.