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Finding the Fourth Proportional to 9,953.96, 14,928.60 and 4,404.28

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Solution

The fourth proportional to 9,953.96, 14,928.60 and 4,404.28 is: 6,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.96 : 14,928.60 = 4,404.28 : x
  2. Step 2: Convert to fraction form
    9,953.96/14,928.60 = 4,404.28/x
  3. Step 3: Cross multiply
    9,953.96x = 14,928.60 × 4,404.28
  4. Step 4: Simplify right side
    9,953.96x = 65,749,734.41
  5. Step 5: Solve for x
    x = 65,749,734.41/9,953.96
  6. Step 6: Final answer
    x = 6,605.38

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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.