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Finding the Fourth Proportional to 29,610.95, 40,857.95 and 17,673.57

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Solution

The fourth proportional to 29,610.95, 40,857.95 and 17,673.57 is: 24,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,610.95 : 40,857.95 = 17,673.57 : x
  2. Step 2: Convert to fraction form
    29,610.95/40,857.95 = 17,673.57/x
  3. Step 3: Cross multiply
    29,610.95x = 40,857.95 × 17,673.57
  4. Step 4: Simplify right side
    29,610.95x = 722,105,883.57
  5. Step 5: Solve for x
    x = 722,105,883.57/29,610.95
  6. Step 6: Final answer
    x = 24,386.45

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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.