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Finding the Fourth Proportional to 9,437.70, 14,156.50 and 2,417.70

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Solution

The fourth proportional to 9,437.70, 14,156.50 and 2,417.70 is: 3,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.70 : 14,156.50 = 2,417.70 : x
  2. Step 2: Convert to fraction form
    9,437.70/14,156.50 = 2,417.70/x
  3. Step 3: Cross multiply
    9,437.70x = 14,156.50 × 2,417.70
  4. Step 4: Simplify right side
    9,437.70x = 34,226,170.05
  5. Step 5: Solve for x
    x = 34,226,170.05/9,437.70
  6. Step 6: Final answer
    x = 3,626.54

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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.