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Finding the Fourth Proportional to 32,201.80, 48,302.70 and 19,913.80

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Solution

The fourth proportional to 32,201.80, 48,302.70 and 19,913.80 is: 29,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,201.80 : 48,302.70 = 19,913.80 : x
  2. Step 2: Convert to fraction form
    32,201.80/48,302.70 = 19,913.80/x
  3. Step 3: Cross multiply
    32,201.80x = 48,302.70 × 19,913.80
  4. Step 4: Simplify right side
    32,201.80x = 961,890,307.26
  5. Step 5: Solve for x
    x = 961,890,307.26/32,201.80
  6. Step 6: Final answer
    x = 29,870.70

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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.