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Finding the Fourth Proportional to 37,897.53, 52,298.95 and 21,764.63

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Solution

The fourth proportional to 37,897.53, 52,298.95 and 21,764.63 is: 30,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,897.53 : 52,298.95 = 21,764.63 : x
  2. Step 2: Convert to fraction form
    37,897.53/52,298.95 = 21,764.63/x
  3. Step 3: Cross multiply
    37,897.53x = 52,298.95 × 21,764.63
  4. Step 4: Simplify right side
    37,897.53x = 1,138,267,296.14
  5. Step 5: Solve for x
    x = 1,138,267,296.14/37,897.53
  6. Step 6: Final answer
    x = 30,035.40

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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.