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Finding the Fourth Proportional to 37,369, 51,569.22 and 20,603.08

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Solution

The fourth proportional to 37,369, 51,569.22 and 20,603.08 is: 28,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,369 : 51,569.22 = 20,603.08 : x
  2. Step 2: Convert to fraction form
    37,369/51,569.22 = 20,603.08/x
  3. Step 3: Cross multiply
    37,369x = 51,569.22 × 20,603.08
  4. Step 4: Simplify right side
    37,369x = 1,062,484,765.20
  5. Step 5: Solve for x
    x = 1,062,484,765.20/37,369
  6. Step 6: Final answer
    x = 28,432.25

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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.