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Finding the Fourth Proportional to 12,495.01, 17,242.53 and 6,829.57

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Solution

The fourth proportional to 12,495.01, 17,242.53 and 6,829.57 is: 9,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.01 : 17,242.53 = 6,829.57 : x
  2. Step 2: Convert to fraction form
    12,495.01/17,242.53 = 6,829.57/x
  3. Step 3: Cross multiply
    12,495.01x = 17,242.53 × 6,829.57
  4. Step 4: Simplify right side
    12,495.01x = 117,759,065.61
  5. Step 5: Solve for x
    x = 117,759,065.61/12,495.01
  6. Step 6: Final answer
    x = 9,424.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.