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Finding the Fourth Proportional to 14,689.80, 22,034.70 and 4,826.70

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Solution

The fourth proportional to 14,689.80, 22,034.70 and 4,826.70 is: 7,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.80 : 22,034.70 = 4,826.70 : x
  2. Step 2: Convert to fraction form
    14,689.80/22,034.70 = 4,826.70/x
  3. Step 3: Cross multiply
    14,689.80x = 22,034.70 × 4,826.70
  4. Step 4: Simplify right side
    14,689.80x = 106,354,886.49
  5. Step 5: Solve for x
    x = 106,354,886.49/14,689.80
  6. Step 6: Final answer
    x = 7,240.05

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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.