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Finding the Fourth Proportional to 34,366.60, 51,549.90 and 16,870.60

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Solution

The fourth proportional to 34,366.60, 51,549.90 and 16,870.60 is: 25,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,366.60 : 51,549.90 = 16,870.60 : x
  2. Step 2: Convert to fraction form
    34,366.60/51,549.90 = 16,870.60/x
  3. Step 3: Cross multiply
    34,366.60x = 51,549.90 × 16,870.60
  4. Step 4: Simplify right side
    34,366.60x = 869,677,742.94
  5. Step 5: Solve for x
    x = 869,677,742.94/34,366.60
  6. Step 6: Final answer
    x = 25,305.90

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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.