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Finding the Fourth Proportional to 14,612.01, 21,921.12 and 4,751.07

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Solution

The fourth proportional to 14,612.01, 21,921.12 and 4,751.07 is: 7,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.01 : 21,921.12 = 4,751.07 : x
  2. Step 2: Convert to fraction form
    14,612.01/21,921.12 = 4,751.07/x
  3. Step 3: Cross multiply
    14,612.01x = 21,921.12 × 4,751.07
  4. Step 4: Simplify right side
    14,612.01x = 104,148,775.60
  5. Step 5: Solve for x
    x = 104,148,775.60/14,612.01
  6. Step 6: Final answer
    x = 7,127.61

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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.