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Finding the Fourth Proportional to 55,999.44, 77,276.40 and 30,848.40

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Solution

The fourth proportional to 55,999.44, 77,276.40 and 30,848.40 is: 42,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,999.44 : 77,276.40 = 30,848.40 : x
  2. Step 2: Convert to fraction form
    55,999.44/77,276.40 = 30,848.40/x
  3. Step 3: Cross multiply
    55,999.44x = 77,276.40 × 30,848.40
  4. Step 4: Simplify right side
    55,999.44x = 2,383,853,297.76
  5. Step 5: Solve for x
    x = 2,383,853,297.76/55,999.44
  6. Step 6: Final answer
    x = 42,569.23

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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.