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Finding the Fourth Proportional to 13,501.68, 20,256.03 and 4,267.68

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Solution

The fourth proportional to 13,501.68, 20,256.03 and 4,267.68 is: 6,402.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.68 : 20,256.03 = 4,267.68 : x
  2. Step 2: Convert to fraction form
    13,501.68/20,256.03 = 4,267.68/x
  3. Step 3: Cross multiply
    13,501.68x = 20,256.03 × 4,267.68
  4. Step 4: Simplify right side
    13,501.68x = 86,446,254.11
  5. Step 5: Solve for x
    x = 86,446,254.11/13,501.68
  6. Step 6: Final answer
    x = 6,402.63

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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.