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Finding the Fourth Proportional to 53,363.71, 80,094.02 and 28,424.93

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Solution

The fourth proportional to 53,363.71, 80,094.02 and 28,424.93 is: 42,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,363.71 : 80,094.02 = 28,424.93 : x
  2. Step 2: Convert to fraction form
    53,363.71/80,094.02 = 28,424.93/x
  3. Step 3: Cross multiply
    53,363.71x = 80,094.02 × 28,424.93
  4. Step 4: Simplify right side
    53,363.71x = 2,276,666,369.32
  5. Step 5: Solve for x
    x = 2,276,666,369.32/53,363.71
  6. Step 6: Final answer
    x = 42,663.19

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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.