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Finding the Fourth Proportional to 14,859.92, 22,290.56 and 8,281.12

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Solution

The fourth proportional to 14,859.92, 22,290.56 and 8,281.12 is: 12,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,859.92 : 22,290.56 = 8,281.12 : x
  2. Step 2: Convert to fraction form
    14,859.92/22,290.56 = 8,281.12/x
  3. Step 3: Cross multiply
    14,859.92x = 22,290.56 × 8,281.12
  4. Step 4: Simplify right side
    14,859.92x = 184,590,802.23
  5. Step 5: Solve for x
    x = 184,590,802.23/14,859.92
  6. Step 6: Final answer
    x = 12,422.06

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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.