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Finding the Fourth Proportional to 32,567.50, 44,945.40 and 18,420.40

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Solution

The fourth proportional to 32,567.50, 44,945.40 and 18,420.40 is: 25,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,567.50 : 44,945.40 = 18,420.40 : x
  2. Step 2: Convert to fraction form
    32,567.50/44,945.40 = 18,420.40/x
  3. Step 3: Cross multiply
    32,567.50x = 44,945.40 × 18,420.40
  4. Step 4: Simplify right side
    32,567.50x = 827,912,246.16
  5. Step 5: Solve for x
    x = 827,912,246.16/32,567.50
  6. Step 6: Final answer
    x = 25,421.42

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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.