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Finding the Fourth Proportional to 11,366.70, 17,050.05 and 7,430.10

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Solution

The fourth proportional to 11,366.70, 17,050.05 and 7,430.10 is: 11,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.70 : 17,050.05 = 7,430.10 : x
  2. Step 2: Convert to fraction form
    11,366.70/17,050.05 = 7,430.10/x
  3. Step 3: Cross multiply
    11,366.70x = 17,050.05 × 7,430.10
  4. Step 4: Simplify right side
    11,366.70x = 126,683,576.51
  5. Step 5: Solve for x
    x = 126,683,576.51/11,366.70
  6. Step 6: Final answer
    x = 11,145.15

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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.