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Finding the Fourth Proportional to 28,044.71, 42,054.74 and 10,502.23

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Solution

The fourth proportional to 28,044.71, 42,054.74 and 10,502.23 is: 15,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.71 : 42,054.74 = 10,502.23 : x
  2. Step 2: Convert to fraction form
    28,044.71/42,054.74 = 10,502.23/x
  3. Step 3: Cross multiply
    28,044.71x = 42,054.74 × 10,502.23
  4. Step 4: Simplify right side
    28,044.71x = 441,668,552.07
  5. Step 5: Solve for x
    x = 441,668,552.07/28,044.71
  6. Step 6: Final answer
    x = 15,748.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.