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Finding the Fourth Proportional to 37,225.80, 55,845.90 and 10,931.40

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Solution

The fourth proportional to 37,225.80, 55,845.90 and 10,931.40 is: 16,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,225.80 : 55,845.90 = 10,931.40 : x
  2. Step 2: Convert to fraction form
    37,225.80/55,845.90 = 10,931.40/x
  3. Step 3: Cross multiply
    37,225.80x = 55,845.90 × 10,931.40
  4. Step 4: Simplify right side
    37,225.80x = 610,473,871.26
  5. Step 5: Solve for x
    x = 610,473,871.26/37,225.80
  6. Step 6: Final answer
    x = 16,399.21

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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.