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Finding the Fourth Proportional to 10,353.30, 15,529.95 and 9,551.40

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Solution

The fourth proportional to 10,353.30, 15,529.95 and 9,551.40 is: 14,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.30 : 15,529.95 = 9,551.40 : x
  2. Step 2: Convert to fraction form
    10,353.30/15,529.95 = 9,551.40/x
  3. Step 3: Cross multiply
    10,353.30x = 15,529.95 × 9,551.40
  4. Step 4: Simplify right side
    10,353.30x = 148,332,764.43
  5. Step 5: Solve for x
    x = 148,332,764.43/10,353.30
  6. Step 6: Final answer
    x = 14,327.10

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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.