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Finding the Fourth Proportional to 32,887.80, 49,331.70 and 15,359.40

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Solution

The fourth proportional to 32,887.80, 49,331.70 and 15,359.40 is: 23,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,887.80 : 49,331.70 = 15,359.40 : x
  2. Step 2: Convert to fraction form
    32,887.80/49,331.70 = 15,359.40/x
  3. Step 3: Cross multiply
    32,887.80x = 49,331.70 × 15,359.40
  4. Step 4: Simplify right side
    32,887.80x = 757,705,312.98
  5. Step 5: Solve for x
    x = 757,705,312.98/32,887.80
  6. Step 6: Final answer
    x = 23,039.10

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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.