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Finding the Fourth Proportional to 54,326.99, 81,395.48 and 37,697.58

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Solution

The fourth proportional to 54,326.99, 81,395.48 and 37,697.58 is: 56,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,326.99 : 81,395.48 = 37,697.58 : x
  2. Step 2: Convert to fraction form
    54,326.99/81,395.48 = 37,697.58/x
  3. Step 3: Cross multiply
    54,326.99x = 81,395.48 × 37,697.58
  4. Step 4: Simplify right side
    54,326.99x = 3,068,412,430.45
  5. Step 5: Solve for x
    x = 3,068,412,430.45/54,326.99
  6. Step 6: Final answer
    x = 56,480.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.