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Finding the Fourth Proportional to 37,368.88, 51,569.44 and 20,602.48

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Solution

The fourth proportional to 37,368.88, 51,569.44 and 20,602.48 is: 28,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,368.88 : 51,569.44 = 20,602.48 : x
  2. Step 2: Convert to fraction form
    37,368.88/51,569.44 = 20,602.48/x
  3. Step 3: Cross multiply
    37,368.88x = 51,569.44 × 20,602.48
  4. Step 4: Simplify right side
    37,368.88x = 1,062,458,356.21
  5. Step 5: Solve for x
    x = 1,062,458,356.21/37,368.88
  6. Step 6: Final answer
    x = 28,431.63

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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.