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Finding the Fourth Proportional to 35,447.88, 48,916.08 and 19,532.28

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Solution

The fourth proportional to 35,447.88, 48,916.08 and 19,532.28 is: 26,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.88 : 48,916.08 = 19,532.28 : x
  2. Step 2: Convert to fraction form
    35,447.88/48,916.08 = 19,532.28/x
  3. Step 3: Cross multiply
    35,447.88x = 48,916.08 × 19,532.28
  4. Step 4: Simplify right side
    35,447.88x = 955,442,571.06
  5. Step 5: Solve for x
    x = 955,442,571.06/35,447.88
  6. Step 6: Final answer
    x = 26,953.45

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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.