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Finding the Fourth Proportional to 58,361.46, 87,569.53 and 28,763.15

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Solution

The fourth proportional to 58,361.46, 87,569.53 and 28,763.15 is: 43,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,361.46 : 87,569.53 = 28,763.15 : x
  2. Step 2: Convert to fraction form
    58,361.46/87,569.53 = 28,763.15/x
  3. Step 3: Cross multiply
    58,361.46x = 87,569.53 × 28,763.15
  4. Step 4: Simplify right side
    58,361.46x = 2,518,775,383.00
  5. Step 5: Solve for x
    x = 2,518,775,383.00/58,361.46
  6. Step 6: Final answer
    x = 43,158.20

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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.