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Finding the Fourth Proportional to 58,433.68, 87,728.28 and 30,751.12

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Solution

The fourth proportional to 58,433.68, 87,728.28 and 30,751.12 is: 46,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,433.68 : 87,728.28 = 30,751.12 : x
  2. Step 2: Convert to fraction form
    58,433.68/87,728.28 = 30,751.12/x
  3. Step 3: Cross multiply
    58,433.68x = 87,728.28 × 30,751.12
  4. Step 4: Simplify right side
    58,433.68x = 2,697,742,865.67
  5. Step 5: Solve for x
    x = 2,697,742,865.67/58,433.68
  6. Step 6: Final answer
    x = 46,167.60

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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.