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Finding the Fourth Proportional to 9,365.12, 14,051.12 and 4,431.04

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Solution

The fourth proportional to 9,365.12, 14,051.12 and 4,431.04 is: 6,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.12 : 14,051.12 = 4,431.04 : x
  2. Step 2: Convert to fraction form
    9,365.12/14,051.12 = 4,431.04/x
  3. Step 3: Cross multiply
    9,365.12x = 14,051.12 × 4,431.04
  4. Step 4: Simplify right side
    9,365.12x = 62,261,074.76
  5. Step 5: Solve for x
    x = 62,261,074.76/9,365.12
  6. Step 6: Final answer
    x = 6,648.19

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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.