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Finding the Fourth Proportional to 11,202.40, 16,803.60 and 9,973.60

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Solution

The fourth proportional to 11,202.40, 16,803.60 and 9,973.60 is: 14,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.40 : 16,803.60 = 9,973.60 : x
  2. Step 2: Convert to fraction form
    11,202.40/16,803.60 = 9,973.60/x
  3. Step 3: Cross multiply
    11,202.40x = 16,803.60 × 9,973.60
  4. Step 4: Simplify right side
    11,202.40x = 167,592,384.96
  5. Step 5: Solve for x
    x = 167,592,384.96/11,202.40
  6. Step 6: Final answer
    x = 14,960.40

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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.