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Finding the Fourth Proportional to 37,124.40, 55,643.40 and 14,926.80

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Solution

The fourth proportional to 37,124.40, 55,643.40 and 14,926.80 is: 22,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,124.40 : 55,643.40 = 14,926.80 : x
  2. Step 2: Convert to fraction form
    37,124.40/55,643.40 = 14,926.80/x
  3. Step 3: Cross multiply
    37,124.40x = 55,643.40 × 14,926.80
  4. Step 4: Simplify right side
    37,124.40x = 830,577,903.12
  5. Step 5: Solve for x
    x = 830,577,903.12/37,124.40
  6. Step 6: Final answer
    x = 22,372.83

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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.