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Finding the Fourth Proportional to 37,490.67, 51,737.18 and 21,574.80

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Solution

The fourth proportional to 37,490.67, 51,737.18 and 21,574.80 is: 29,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,490.67 : 51,737.18 = 21,574.80 : x
  2. Step 2: Convert to fraction form
    37,490.67/51,737.18 = 21,574.80/x
  3. Step 3: Cross multiply
    37,490.67x = 51,737.18 × 21,574.80
  4. Step 4: Simplify right side
    37,490.67x = 1,116,219,203.19
  5. Step 5: Solve for x
    x = 1,116,219,203.19/37,490.67
  6. Step 6: Final answer
    x = 29,773.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.