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Finding the Fourth Proportional to 35,409.47, 48,866.04 and 19,494.90

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Solution

The fourth proportional to 35,409.47, 48,866.04 and 19,494.90 is: 26,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.47 : 48,866.04 = 19,494.90 : x
  2. Step 2: Convert to fraction form
    35,409.47/48,866.04 = 19,494.90/x
  3. Step 3: Cross multiply
    35,409.47x = 48,866.04 × 19,494.90
  4. Step 4: Simplify right side
    35,409.47x = 952,638,563.20
  5. Step 5: Solve for x
    x = 952,638,563.20/35,409.47
  6. Step 6: Final answer
    x = 26,903.49

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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.