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Finding the Fourth Proportional to 54,798.88, 75,622.80 and 29,648.32

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Solution

The fourth proportional to 54,798.88, 75,622.80 and 29,648.32 is: 40,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,798.88 : 75,622.80 = 29,648.32 : x
  2. Step 2: Convert to fraction form
    54,798.88/75,622.80 = 29,648.32/x
  3. Step 3: Cross multiply
    54,798.88x = 75,622.80 × 29,648.32
  4. Step 4: Simplify right side
    54,798.88x = 2,242,088,973.70
  5. Step 5: Solve for x
    x = 2,242,088,973.70/54,798.88
  6. Step 6: Final answer
    x = 40,914.87

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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.