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Finding the Fourth Proportional to 16,503.80, 24,683.70 and 14,761.40

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Solution

The fourth proportional to 16,503.80, 24,683.70 and 14,761.40 is: 22,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,503.80 : 24,683.70 = 14,761.40 : x
  2. Step 2: Convert to fraction form
    16,503.80/24,683.70 = 14,761.40/x
  3. Step 3: Cross multiply
    16,503.80x = 24,683.70 × 14,761.40
  4. Step 4: Simplify right side
    16,503.80x = 364,365,969.18
  5. Step 5: Solve for x
    x = 364,365,969.18/16,503.80
  6. Step 6: Final answer
    x = 22,077.70

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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.