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Finding the Fourth Proportional to 76,602.34, 105,676.68 and 44,756.92

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Solution

The fourth proportional to 76,602.34, 105,676.68 and 44,756.92 is: 61,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,602.34 : 105,676.68 = 44,756.92 : x
  2. Step 2: Convert to fraction form
    76,602.34/105,676.68 = 44,756.92/x
  3. Step 3: Cross multiply
    76,602.34x = 105,676.68 × 44,756.92
  4. Step 4: Simplify right side
    76,602.34x = 4,729,762,712.63
  5. Step 5: Solve for x
    x = 4,729,762,712.63/76,602.34
  6. Step 6: Final answer
    x = 61,744.36

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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.