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Finding the Fourth Proportional to 37,442.76, 51,670.02 and 20,675.40

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Solution

The fourth proportional to 37,442.76, 51,670.02 and 20,675.40 is: 28,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,442.76 : 51,670.02 = 20,675.40 : x
  2. Step 2: Convert to fraction form
    37,442.76/51,670.02 = 20,675.40/x
  3. Step 3: Cross multiply
    37,442.76x = 51,670.02 × 20,675.40
  4. Step 4: Simplify right side
    37,442.76x = 1,068,298,331.51
  5. Step 5: Solve for x
    x = 1,068,298,331.51/37,442.76
  6. Step 6: Final answer
    x = 28,531.51

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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.