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Finding the Fourth Proportional to 14,744.10, 20,347.08 and 8,030.04

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Solution

The fourth proportional to 14,744.10, 20,347.08 and 8,030.04 is: 11,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.10 : 20,347.08 = 8,030.04 : x
  2. Step 2: Convert to fraction form
    14,744.10/20,347.08 = 8,030.04/x
  3. Step 3: Cross multiply
    14,744.10x = 20,347.08 × 8,030.04
  4. Step 4: Simplify right side
    14,744.10x = 163,387,866.28
  5. Step 5: Solve for x
    x = 163,387,866.28/14,744.10
  6. Step 6: Final answer
    x = 11,081.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.