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Finding the Fourth Proportional to 76,697.58, 105,808.50 and 44,852.44

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Solution

The fourth proportional to 76,697.58, 105,808.50 and 44,852.44 is: 61,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,697.58 : 105,808.50 = 44,852.44 : x
  2. Step 2: Convert to fraction form
    76,697.58/105,808.50 = 44,852.44/x
  3. Step 3: Cross multiply
    76,697.58x = 105,808.50 × 44,852.44
  4. Step 4: Simplify right side
    76,697.58x = 4,745,769,397.74
  5. Step 5: Solve for x
    x = 4,745,769,397.74/76,697.58
  6. Step 6: Final answer
    x = 61,876.39

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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.