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Finding the Fourth Proportional to 40,605.40, 56,037.20 and 22,700.40

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Solution

The fourth proportional to 40,605.40, 56,037.20 and 22,700.40 is: 31,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605.40 : 56,037.20 = 22,700.40 : x
  2. Step 2: Convert to fraction form
    40,605.40/56,037.20 = 22,700.40/x
  3. Step 3: Cross multiply
    40,605.40x = 56,037.20 × 22,700.40
  4. Step 4: Simplify right side
    40,605.40x = 1,272,066,846.45
  5. Step 5: Solve for x
    x = 1,272,066,846.45/40,605.40
  6. Step 6: Final answer
    x = 31,327.53

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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.