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Finding the Fourth Proportional to 13,032.79, 19,534.14 and 5,629.79

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Solution

The fourth proportional to 13,032.79, 19,534.14 and 5,629.79 is: 8,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.79 : 19,534.14 = 5,629.79 : x
  2. Step 2: Convert to fraction form
    13,032.79/19,534.14 = 5,629.79/x
  3. Step 3: Cross multiply
    13,032.79x = 19,534.14 × 5,629.79
  4. Step 4: Simplify right side
    13,032.79x = 109,973,106.03
  5. Step 5: Solve for x
    x = 109,973,106.03/13,032.79
  6. Step 6: Final answer
    x = 8,438.19

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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.