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Finding the Fourth Proportional to 52,883.52, 79,403.04 and 21,779.52

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Solution

The fourth proportional to 52,883.52, 79,403.04 and 21,779.52 is: 32,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,883.52 : 79,403.04 = 21,779.52 : x
  2. Step 2: Convert to fraction form
    52,883.52/79,403.04 = 21,779.52/x
  3. Step 3: Cross multiply
    52,883.52x = 79,403.04 × 21,779.52
  4. Step 4: Simplify right side
    52,883.52x = 1,729,360,097.74
  5. Step 5: Solve for x
    x = 1,729,360,097.74/52,883.52
  6. Step 6: Final answer
    x = 32,701.30

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1.5x scale

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.