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Finding the Fourth Proportional to 43,218.54, 64,827.90 and 24,507.54

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Solution

The fourth proportional to 43,218.54, 64,827.90 and 24,507.54 is: 36,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,218.54 : 64,827.90 = 24,507.54 : x
  2. Step 2: Convert to fraction form
    43,218.54/64,827.90 = 24,507.54/x
  3. Step 3: Cross multiply
    43,218.54x = 64,827.90 × 24,507.54
  4. Step 4: Simplify right side
    43,218.54x = 1,588,772,352.37
  5. Step 5: Solve for x
    x = 1,588,772,352.37/43,218.54
  6. Step 6: Final answer
    x = 36,761.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.