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Finding the Fourth Proportional to 13,244.96, 19,866.08 and 7,002.56

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Solution

The fourth proportional to 13,244.96, 19,866.08 and 7,002.56 is: 10,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.96 : 19,866.08 = 7,002.56 : x
  2. Step 2: Convert to fraction form
    13,244.96/19,866.08 = 7,002.56/x
  3. Step 3: Cross multiply
    13,244.96x = 19,866.08 × 7,002.56
  4. Step 4: Simplify right side
    13,244.96x = 139,113,417.16
  5. Step 5: Solve for x
    x = 139,113,417.16/13,244.96
  6. Step 6: Final answer
    x = 10,503.12

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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.