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Finding the Fourth Proportional to 48,559.55, 67,002 and 28,412.55

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Solution

The fourth proportional to 48,559.55, 67,002 and 28,412.55 is: 39,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,559.55 : 67,002 = 28,412.55 : x
  2. Step 2: Convert to fraction form
    48,559.55/67,002 = 28,412.55/x
  3. Step 3: Cross multiply
    48,559.55x = 67,002 × 28,412.55
  4. Step 4: Simplify right side
    48,559.55x = 1,903,697,675.10
  5. Step 5: Solve for x
    x = 1,903,697,675.10/48,559.55
  6. Step 6: Final answer
    x = 39,203.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.