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Finding the Fourth Proportional to 19,829.03, 29,741.51 and 6,681.51

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Solution

The fourth proportional to 19,829.03, 29,741.51 and 6,681.51 is: 10,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.03 : 29,741.51 = 6,681.51 : x
  2. Step 2: Convert to fraction form
    19,829.03/29,741.51 = 6,681.51/x
  3. Step 3: Cross multiply
    19,829.03x = 29,741.51 × 6,681.51
  4. Step 4: Simplify right side
    19,829.03x = 198,718,213.18
  5. Step 5: Solve for x
    x = 198,718,213.18/19,829.03
  6. Step 6: Final answer
    x = 10,021.58

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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.