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Finding the Fourth Proportional to 29,620.67, 44,430.08 and 9,899.39

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Solution

The fourth proportional to 29,620.67, 44,430.08 and 9,899.39 is: 14,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.67 : 44,430.08 = 9,899.39 : x
  2. Step 2: Convert to fraction form
    29,620.67/44,430.08 = 9,899.39/x
  3. Step 3: Cross multiply
    29,620.67x = 44,430.08 × 9,899.39
  4. Step 4: Simplify right side
    29,620.67x = 439,830,418.00
  5. Step 5: Solve for x
    x = 439,830,418.00/29,620.67
  6. Step 6: Final answer
    x = 14,848.77

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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.