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Finding the Fourth Proportional to 34,779.52, 47,957.70 and 25,843.60

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Solution

The fourth proportional to 34,779.52, 47,957.70 and 25,843.60 is: 35,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.52 : 47,957.70 = 25,843.60 : x
  2. Step 2: Convert to fraction form
    34,779.52/47,957.70 = 25,843.60/x
  3. Step 3: Cross multiply
    34,779.52x = 47,957.70 × 25,843.60
  4. Step 4: Simplify right side
    34,779.52x = 1,239,399,615.72
  5. Step 5: Solve for x
    x = 1,239,399,615.72/34,779.52
  6. Step 6: Final answer
    x = 35,635.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.