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Finding the Fourth Proportional to 19,205.70, 28,809.45 and 6,059.10

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Solution

The fourth proportional to 19,205.70, 28,809.45 and 6,059.10 is: 9,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.70 : 28,809.45 = 6,059.10 : x
  2. Step 2: Convert to fraction form
    19,205.70/28,809.45 = 6,059.10/x
  3. Step 3: Cross multiply
    19,205.70x = 28,809.45 × 6,059.10
  4. Step 4: Simplify right side
    19,205.70x = 174,559,338.50
  5. Step 5: Solve for x
    x = 174,559,338.50/19,205.70
  6. Step 6: Final answer
    x = 9,088.93

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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.