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Finding the Fourth Proportional to 48,268.80, 72,408.60 and 14,988.60

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Solution

The fourth proportional to 48,268.80, 72,408.60 and 14,988.60 is: 22,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,268.80 : 72,408.60 = 14,988.60 : x
  2. Step 2: Convert to fraction form
    48,268.80/72,408.60 = 14,988.60/x
  3. Step 3: Cross multiply
    48,268.80x = 72,408.60 × 14,988.60
  4. Step 4: Simplify right side
    48,268.80x = 1,085,303,541.96
  5. Step 5: Solve for x
    x = 1,085,303,541.96/48,268.80
  6. Step 6: Final answer
    x = 22,484.58

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1.5x scale

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.