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Finding the Fourth Proportional to 59,353.39, 89,043.41 and 19,909.49

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Solution

The fourth proportional to 59,353.39, 89,043.41 and 19,909.49 is: 29,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,353.39 : 89,043.41 = 19,909.49 : x
  2. Step 2: Convert to fraction form
    59,353.39/89,043.41 = 19,909.49/x
  3. Step 3: Cross multiply
    59,353.39x = 89,043.41 × 19,909.49
  4. Step 4: Simplify right side
    59,353.39x = 1,772,808,880.96
  5. Step 5: Solve for x
    x = 1,772,808,880.96/59,353.39
  6. Step 6: Final answer
    x = 29,868.70

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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.