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Finding the Fourth Proportional to 40,477.78, 55,850.04 and 24,337.72

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Solution

The fourth proportional to 40,477.78, 55,850.04 and 24,337.72 is: 33,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,477.78 : 55,850.04 = 24,337.72 : x
  2. Step 2: Convert to fraction form
    40,477.78/55,850.04 = 24,337.72/x
  3. Step 3: Cross multiply
    40,477.78x = 55,850.04 × 24,337.72
  4. Step 4: Simplify right side
    40,477.78x = 1,359,262,635.51
  5. Step 5: Solve for x
    x = 1,359,262,635.51/40,477.78
  6. Step 6: Final answer
    x = 33,580.46

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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.