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Finding the Fourth Proportional to 52,598.81, 72,583.17 and 28,720.64

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Solution

The fourth proportional to 52,598.81, 72,583.17 and 28,720.64 is: 39,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,598.81 : 72,583.17 = 28,720.64 : x
  2. Step 2: Convert to fraction form
    52,598.81/72,583.17 = 28,720.64/x
  3. Step 3: Cross multiply
    52,598.81x = 72,583.17 × 28,720.64
  4. Step 4: Simplify right side
    52,598.81x = 2,084,635,095.63
  5. Step 5: Solve for x
    x = 2,084,635,095.63/52,598.81
  6. Step 6: Final answer
    x = 39,632.74

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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.