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Finding the Fourth Proportional to 19,407.98, 29,109.54 and 6,258.98

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Solution

The fourth proportional to 19,407.98, 29,109.54 and 6,258.98 is: 9,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.98 : 29,109.54 = 6,258.98 : x
  2. Step 2: Convert to fraction form
    19,407.98/29,109.54 = 6,258.98/x
  3. Step 3: Cross multiply
    19,407.98x = 29,109.54 × 6,258.98
  4. Step 4: Simplify right side
    19,407.98x = 182,196,028.67
  5. Step 5: Solve for x
    x = 182,196,028.67/19,407.98
  6. Step 6: Final answer
    x = 9,387.69

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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.