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Finding the Fourth Proportional to 10,606.76, 15,905.77 and 4,603.22

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Solution

The fourth proportional to 10,606.76, 15,905.77 and 4,603.22 is: 6,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.76 : 15,905.77 = 4,603.22 : x
  2. Step 2: Convert to fraction form
    10,606.76/15,905.77 = 4,603.22/x
  3. Step 3: Cross multiply
    10,606.76x = 15,905.77 × 4,603.22
  4. Step 4: Simplify right side
    10,606.76x = 73,217,758.58
  5. Step 5: Solve for x
    x = 73,217,758.58/10,606.76
  6. Step 6: Final answer
    x = 6,902.93

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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.