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Finding the Fourth Proportional to 55,703.07, 76,866.66 and 33,044.13

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Solution

The fourth proportional to 55,703.07, 76,866.66 and 33,044.13 is: 45,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,703.07 : 76,866.66 = 33,044.13 : x
  2. Step 2: Convert to fraction form
    55,703.07/76,866.66 = 33,044.13/x
  3. Step 3: Cross multiply
    55,703.07x = 76,866.66 × 33,044.13
  4. Step 4: Simplify right side
    55,703.07x = 2,539,991,905.71
  5. Step 5: Solve for x
    x = 2,539,991,905.71/55,703.07
  6. Step 6: Final answer
    x = 45,598.78

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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.