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Finding the Fourth Proportional to 35,322.57, 48,745.76 and 19,407.69

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Solution

The fourth proportional to 35,322.57, 48,745.76 and 19,407.69 is: 26,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.57 : 48,745.76 = 19,407.69 : x
  2. Step 2: Convert to fraction form
    35,322.57/48,745.76 = 19,407.69/x
  3. Step 3: Cross multiply
    35,322.57x = 48,745.76 × 19,407.69
  4. Step 4: Simplify right side
    35,322.57x = 946,042,501.86
  5. Step 5: Solve for x
    x = 946,042,501.86/35,322.57
  6. Step 6: Final answer
    x = 26,782.95

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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.