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Finding the Fourth Proportional to 52,884.63, 72,981.81 and 29,011.32

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Solution

The fourth proportional to 52,884.63, 72,981.81 and 29,011.32 is: 40,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,884.63 : 72,981.81 = 29,011.32 : x
  2. Step 2: Convert to fraction form
    52,884.63/72,981.81 = 29,011.32/x
  3. Step 3: Cross multiply
    52,884.63x = 72,981.81 × 29,011.32
  4. Step 4: Simplify right side
    52,884.63x = 2,117,298,644.09
  5. Step 5: Solve for x
    x = 2,117,298,644.09/52,884.63
  6. Step 6: Final answer
    x = 40,036.18

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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.