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Finding the Fourth Proportional to 58,267.68, 87,430.68 and 28,650.84

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Solution

The fourth proportional to 58,267.68, 87,430.68 and 28,650.84 is: 42,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,267.68 : 87,430.68 = 28,650.84 : x
  2. Step 2: Convert to fraction form
    58,267.68/87,430.68 = 28,650.84/x
  3. Step 3: Cross multiply
    58,267.68x = 87,430.68 × 28,650.84
  4. Step 4: Simplify right side
    58,267.68x = 2,504,962,423.77
  5. Step 5: Solve for x
    x = 2,504,962,423.77/58,267.68
  6. Step 6: Final answer
    x = 42,990.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.