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Finding the Fourth Proportional to 32,592.81, 44,978.73 and 21,269.55

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Solution

The fourth proportional to 32,592.81, 44,978.73 and 21,269.55 is: 29,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,592.81 : 44,978.73 = 21,269.55 : x
  2. Step 2: Convert to fraction form
    32,592.81/44,978.73 = 21,269.55/x
  3. Step 3: Cross multiply
    32,592.81x = 44,978.73 × 21,269.55
  4. Step 4: Simplify right side
    32,592.81x = 956,677,346.67
  5. Step 5: Solve for x
    x = 956,677,346.67/32,592.81
  6. Step 6: Final answer
    x = 29,352.40

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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.