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Finding the Fourth Proportional to 37,603.64, 51,891.90 and 20,607.68

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Solution

The fourth proportional to 37,603.64, 51,891.90 and 20,607.68 is: 28,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,603.64 : 51,891.90 = 20,607.68 : x
  2. Step 2: Convert to fraction form
    37,603.64/51,891.90 = 20,607.68/x
  3. Step 3: Cross multiply
    37,603.64x = 51,891.90 × 20,607.68
  4. Step 4: Simplify right side
    37,603.64x = 1,069,371,669.79
  5. Step 5: Solve for x
    x = 1,069,371,669.79/37,603.64
  6. Step 6: Final answer
    x = 28,437.98

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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.