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Finding the Fourth Proportional to 67,655.60, 93,402.26 and 40,804.88

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Solution

The fourth proportional to 67,655.60, 93,402.26 and 40,804.88 is: 56,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,655.60 : 93,402.26 = 40,804.88 : x
  2. Step 2: Convert to fraction form
    67,655.60/93,402.26 = 40,804.88/x
  3. Step 3: Cross multiply
    67,655.60x = 93,402.26 × 40,804.88
  4. Step 4: Simplify right side
    67,655.60x = 3,811,268,011.03
  5. Step 5: Solve for x
    x = 3,811,268,011.03/67,655.60
  6. Step 6: Final answer
    x = 56,333.37

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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.