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Finding the Fourth Proportional to 37,490.84, 56,269.02 and 20,869.64

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Solution

The fourth proportional to 37,490.84, 56,269.02 and 20,869.64 is: 31,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,490.84 : 56,269.02 = 20,869.64 : x
  2. Step 2: Convert to fraction form
    37,490.84/56,269.02 = 20,869.64/x
  3. Step 3: Cross multiply
    37,490.84x = 56,269.02 × 20,869.64
  4. Step 4: Simplify right side
    37,490.84x = 1,174,314,190.55
  5. Step 5: Solve for x
    x = 1,174,314,190.55/37,490.84
  6. Step 6: Final answer
    x = 31,322.70

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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.