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Finding the Fourth Proportional to 60,582, 90,876.24 and 19,032.24

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Solution

The fourth proportional to 60,582, 90,876.24 and 19,032.24 is: 28,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,582 : 90,876.24 = 19,032.24 : x
  2. Step 2: Convert to fraction form
    60,582/90,876.24 = 19,032.24/x
  3. Step 3: Cross multiply
    60,582x = 90,876.24 × 19,032.24
  4. Step 4: Simplify right side
    60,582x = 1,729,578,409.98
  5. Step 5: Solve for x
    x = 1,729,578,409.98/60,582
  6. Step 6: Final answer
    x = 28,549.38

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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.