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Finding the Fourth Proportional to 52,894.64, 79,346.28 and 21,730.16

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Solution

The fourth proportional to 52,894.64, 79,346.28 and 21,730.16 is: 32,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,894.64 : 79,346.28 = 21,730.16 : x
  2. Step 2: Convert to fraction form
    52,894.64/79,346.28 = 21,730.16/x
  3. Step 3: Cross multiply
    52,894.64x = 79,346.28 × 21,730.16
  4. Step 4: Simplify right side
    52,894.64x = 1,724,207,359.80
  5. Step 5: Solve for x
    x = 1,724,207,359.80/52,894.64
  6. Step 6: Final answer
    x = 32,597.01

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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.