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Finding the Fourth Proportional to 52,573.01, 72,550.86 and 28,700.08

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Solution

The fourth proportional to 52,573.01, 72,550.86 and 28,700.08 is: 39,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,573.01 : 72,550.86 = 28,700.08 : x
  2. Step 2: Convert to fraction form
    52,573.01/72,550.86 = 28,700.08/x
  3. Step 3: Cross multiply
    52,573.01x = 72,550.86 × 28,700.08
  4. Step 4: Simplify right side
    52,573.01x = 2,082,215,197.07
  5. Step 5: Solve for x
    x = 2,082,215,197.07/52,573.01
  6. Step 6: Final answer
    x = 39,606.17

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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.