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Finding the Fourth Proportional to 13,064.59, 19,609.19 and 4,752.62

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Solution

The fourth proportional to 13,064.59, 19,609.19 and 4,752.62 is: 7,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.59 : 19,609.19 = 4,752.62 : x
  2. Step 2: Convert to fraction form
    13,064.59/19,609.19 = 4,752.62/x
  3. Step 3: Cross multiply
    13,064.59x = 19,609.19 × 4,752.62
  4. Step 4: Simplify right side
    13,064.59x = 93,195,108.43
  5. Step 5: Solve for x
    x = 93,195,108.43/13,064.59
  6. Step 6: Final answer
    x = 7,133.41

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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.