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Finding the Fourth Proportional to 56,770.74, 78,337.65 and 32,904.90

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Solution

The fourth proportional to 56,770.74, 78,337.65 and 32,904.90 is: 45,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770.74 : 78,337.65 = 32,904.90 : x
  2. Step 2: Convert to fraction form
    56,770.74/78,337.65 = 32,904.90/x
  3. Step 3: Cross multiply
    56,770.74x = 78,337.65 × 32,904.90
  4. Step 4: Simplify right side
    56,770.74x = 2,577,692,539.49
  5. Step 5: Solve for x
    x = 2,577,692,539.49/56,770.74
  6. Step 6: Final answer
    x = 45,405.30

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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.