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Finding the Fourth Proportional to 13,473.66, 18,592.52 and 7,506.74

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Solution

The fourth proportional to 13,473.66, 18,592.52 and 7,506.74 is: 10,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.66 : 18,592.52 = 7,506.74 : x
  2. Step 2: Convert to fraction form
    13,473.66/18,592.52 = 7,506.74/x
  3. Step 3: Cross multiply
    13,473.66x = 18,592.52 × 7,506.74
  4. Step 4: Simplify right side
    13,473.66x = 139,569,213.58
  5. Step 5: Solve for x
    x = 139,569,213.58/13,473.66
  6. Step 6: Final answer
    x = 10,358.67

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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.