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Finding the Fourth Proportional to 9,907.77, 14,856.29 and 4,354.62

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Solution

The fourth proportional to 9,907.77, 14,856.29 and 4,354.62 is: 6,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.77 : 14,856.29 = 4,354.62 : x
  2. Step 2: Convert to fraction form
    9,907.77/14,856.29 = 4,354.62/x
  3. Step 3: Cross multiply
    9,907.77x = 14,856.29 × 4,354.62
  4. Step 4: Simplify right side
    9,907.77x = 64,693,497.56
  5. Step 5: Solve for x
    x = 64,693,497.56/9,907.77
  6. Step 6: Final answer
    x = 6,529.57

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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.