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Finding the Fourth Proportional to 13,794.30, 19,035.59 and 7,506.68

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Solution

The fourth proportional to 13,794.30, 19,035.59 and 7,506.68 is: 10,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.30 : 19,035.59 = 7,506.68 : x
  2. Step 2: Convert to fraction form
    13,794.30/19,035.59 = 7,506.68/x
  3. Step 3: Cross multiply
    13,794.30x = 19,035.59 × 7,506.68
  4. Step 4: Simplify right side
    13,794.30x = 142,893,950.03
  5. Step 5: Solve for x
    x = 142,893,950.03/13,794.30
  6. Step 6: Final answer
    x = 10,358.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.