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Finding the Fourth Proportional to 58,361.49, 87,569.57 and 28,763.18

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Solution

The fourth proportional to 58,361.49, 87,569.57 and 28,763.18 is: 43,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,361.49 : 87,569.57 = 28,763.18 : x
  2. Step 2: Convert to fraction form
    58,361.49/87,569.57 = 28,763.18/x
  3. Step 3: Cross multiply
    58,361.49x = 87,569.57 × 28,763.18
  4. Step 4: Simplify right side
    58,361.49x = 2,518,778,939.29
  5. Step 5: Solve for x
    x = 2,518,778,939.29/58,361.49
  6. Step 6: Final answer
    x = 43,158.24

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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.