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Finding the Fourth Proportional to 52,215.17, 72,054.99 and 28,341.32

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Solution

The fourth proportional to 52,215.17, 72,054.99 and 28,341.32 is: 39,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.17 : 72,054.99 = 28,341.32 : x
  2. Step 2: Convert to fraction form
    52,215.17/72,054.99 = 28,341.32/x
  3. Step 3: Cross multiply
    52,215.17x = 72,054.99 × 28,341.32
  4. Step 4: Simplify right side
    52,215.17x = 2,042,133,168.91
  5. Step 5: Solve for x
    x = 2,042,133,168.91/52,215.17
  6. Step 6: Final answer
    x = 39,109.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.