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Finding the Fourth Proportional to 12,610.95, 17,402.50 and 7,307.48

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Solution

The fourth proportional to 12,610.95, 17,402.50 and 7,307.48 is: 10,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.95 : 17,402.50 = 7,307.48 : x
  2. Step 2: Convert to fraction form
    12,610.95/17,402.50 = 7,307.48/x
  3. Step 3: Cross multiply
    12,610.95x = 17,402.50 × 7,307.48
  4. Step 4: Simplify right side
    12,610.95x = 127,168,420.70
  5. Step 5: Solve for x
    x = 127,168,420.70/12,610.95
  6. Step 6: Final answer
    x = 10,083.97

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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.