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Finding the Fourth Proportional to 52,649.28, 72,657.96 and 28,777.56

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Solution

The fourth proportional to 52,649.28, 72,657.96 and 28,777.56 is: 39,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,649.28 : 72,657.96 = 28,777.56 : x
  2. Step 2: Convert to fraction form
    52,649.28/72,657.96 = 28,777.56/x
  3. Step 3: Cross multiply
    52,649.28x = 72,657.96 × 28,777.56
  4. Step 4: Simplify right side
    52,649.28x = 2,090,918,803.38
  5. Step 5: Solve for x
    x = 2,090,918,803.38/52,649.28
  6. Step 6: Final answer
    x = 39,714.10

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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.