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Finding the Fourth Proportional to 19,205.76, 28,808.64 and 6,059.46

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Solution

The fourth proportional to 19,205.76, 28,808.64 and 6,059.46 is: 9,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.76 : 28,808.64 = 6,059.46 : x
  2. Step 2: Convert to fraction form
    19,205.76/28,808.64 = 6,059.46/x
  3. Step 3: Cross multiply
    19,205.76x = 28,808.64 × 6,059.46
  4. Step 4: Simplify right side
    19,205.76x = 174,564,801.73
  5. Step 5: Solve for x
    x = 174,564,801.73/19,205.76
  6. Step 6: Final answer
    x = 9,089.19

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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.