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Finding the Fourth Proportional to 54,820.80, 75,652.70 and 29,670.30

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Solution

The fourth proportional to 54,820.80, 75,652.70 and 29,670.30 is: 40,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.80 : 75,652.70 = 29,670.30 : x
  2. Step 2: Convert to fraction form
    54,820.80/75,652.70 = 29,670.30/x
  3. Step 3: Cross multiply
    54,820.80x = 75,652.70 × 29,670.30
  4. Step 4: Simplify right side
    54,820.80x = 2,244,638,156.46
  5. Step 5: Solve for x
    x = 2,244,638,156.46/54,820.80
  6. Step 6: Final answer
    x = 40,945.01

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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.