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Finding the Fourth Proportional to 14,176.35, 21,264.03 and 7,615.35

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Solution

The fourth proportional to 14,176.35, 21,264.03 and 7,615.35 is: 11,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.35 : 21,264.03 = 7,615.35 : x
  2. Step 2: Convert to fraction form
    14,176.35/21,264.03 = 7,615.35/x
  3. Step 3: Cross multiply
    14,176.35x = 21,264.03 × 7,615.35
  4. Step 4: Simplify right side
    14,176.35x = 161,933,030.86
  5. Step 5: Solve for x
    x = 161,933,030.86/14,176.35
  6. Step 6: Final answer
    x = 11,422.76

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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.