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Finding the Fourth Proportional to 71,525.63, 107,298.47 and 21,600.07

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Solution

The fourth proportional to 71,525.63, 107,298.47 and 21,600.07 is: 32,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,525.63 : 107,298.47 = 21,600.07 : x
  2. Step 2: Convert to fraction form
    71,525.63/107,298.47 = 21,600.07/x
  3. Step 3: Cross multiply
    71,525.63x = 107,298.47 × 21,600.07
  4. Step 4: Simplify right side
    71,525.63x = 2,317,654,462.89
  5. Step 5: Solve for x
    x = 2,317,654,462.89/71,525.63
  6. Step 6: Final answer
    x = 32,403.13

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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.