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Finding the Fourth Proportional to 14,520.93, 21,784.22 and 4,659.45

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Solution

The fourth proportional to 14,520.93, 21,784.22 and 4,659.45 is: 6,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.93 : 21,784.22 = 4,659.45 : x
  2. Step 2: Convert to fraction form
    14,520.93/21,784.22 = 4,659.45/x
  3. Step 3: Cross multiply
    14,520.93x = 21,784.22 × 4,659.45
  4. Step 4: Simplify right side
    14,520.93x = 101,502,374.96
  5. Step 5: Solve for x
    x = 101,502,374.96/14,520.93
  6. Step 6: Final answer
    x = 6,990.08

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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.