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Finding the Fourth Proportional to 32,518.65, 44,880.90 and 19,775.88

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Solution

The fourth proportional to 32,518.65, 44,880.90 and 19,775.88 is: 27,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,518.65 : 44,880.90 = 19,775.88 : x
  2. Step 2: Convert to fraction form
    32,518.65/44,880.90 = 19,775.88/x
  3. Step 3: Cross multiply
    32,518.65x = 44,880.90 × 19,775.88
  4. Step 4: Simplify right side
    32,518.65x = 887,559,292.69
  5. Step 5: Solve for x
    x = 887,559,292.69/32,518.65
  6. Step 6: Final answer
    x = 27,293.85

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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.