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Finding the Fourth Proportional to 29,699.80, 44,487.60 and 13,918.30

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Solution

The fourth proportional to 29,699.80, 44,487.60 and 13,918.30 is: 20,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,699.80 : 44,487.60 = 13,918.30 : x
  2. Step 2: Convert to fraction form
    29,699.80/44,487.60 = 13,918.30/x
  3. Step 3: Cross multiply
    29,699.80x = 44,487.60 × 13,918.30
  4. Step 4: Simplify right side
    29,699.80x = 619,191,763.08
  5. Step 5: Solve for x
    x = 619,191,763.08/29,699.80
  6. Step 6: Final answer
    x = 20,848.35

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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.