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Finding the Fourth Proportional to 12,404.02, 18,606.02 and 7,207.06

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Solution

The fourth proportional to 12,404.02, 18,606.02 and 7,207.06 is: 10,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.02 : 18,606.02 = 7,207.06 : x
  2. Step 2: Convert to fraction form
    12,404.02/18,606.02 = 7,207.06/x
  3. Step 3: Cross multiply
    12,404.02x = 18,606.02 × 7,207.06
  4. Step 4: Simplify right side
    12,404.02x = 134,094,702.50
  5. Step 5: Solve for x
    x = 134,094,702.50/12,404.02
  6. Step 6: Final answer
    x = 10,810.58

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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.