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Finding the Fourth Proportional to 52,695.34, 79,043.01 and 21,530.59

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Solution

The fourth proportional to 52,695.34, 79,043.01 and 21,530.59 is: 32,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,695.34 : 79,043.01 = 21,530.59 : x
  2. Step 2: Convert to fraction form
    52,695.34/79,043.01 = 21,530.59/x
  3. Step 3: Cross multiply
    52,695.34x = 79,043.01 × 21,530.59
  4. Step 4: Simplify right side
    52,695.34x = 1,701,842,640.68
  5. Step 5: Solve for x
    x = 1,701,842,640.68/52,695.34
  6. Step 6: Final answer
    x = 32,295.89

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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.