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Finding the Fourth Proportional to 35,434.67, 53,184.80 and 17,916.80

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Solution

The fourth proportional to 35,434.67, 53,184.80 and 17,916.80 is: 26,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,434.67 : 53,184.80 = 17,916.80 : x
  2. Step 2: Convert to fraction form
    35,434.67/53,184.80 = 17,916.80/x
  3. Step 3: Cross multiply
    35,434.67x = 53,184.80 × 17,916.80
  4. Step 4: Simplify right side
    35,434.67x = 952,901,203.51
  5. Step 5: Solve for x
    x = 952,901,203.51/35,434.67
  6. Step 6: Final answer
    x = 26,891.78

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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.