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Finding the Fourth Proportional to 24,875.80, 37,356.90 and 13,211.80

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Solution

The fourth proportional to 24,875.80, 37,356.90 and 13,211.80 is: 19,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,875.80 : 37,356.90 = 13,211.80 : x
  2. Step 2: Convert to fraction form
    24,875.80/37,356.90 = 13,211.80/x
  3. Step 3: Cross multiply
    24,875.80x = 37,356.90 × 13,211.80
  4. Step 4: Simplify right side
    24,875.80x = 493,551,891.42
  5. Step 5: Solve for x
    x = 493,551,891.42/24,875.80
  6. Step 6: Final answer
    x = 19,840.64

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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.