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Finding the Fourth Proportional to 67,994.70, 93,828.34 and 37,779.48

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Solution

The fourth proportional to 67,994.70, 93,828.34 and 37,779.48 is: 52,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,994.70 : 93,828.34 = 37,779.48 : x
  2. Step 2: Convert to fraction form
    67,994.70/93,828.34 = 37,779.48/x
  3. Step 3: Cross multiply
    67,994.70x = 93,828.34 × 37,779.48
  4. Step 4: Simplify right side
    67,994.70x = 3,544,785,894.46
  5. Step 5: Solve for x
    x = 3,544,785,894.46/67,994.70
  6. Step 6: Final answer
    x = 52,133.27

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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.