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Finding the Fourth Proportional to 35,323.92, 48,748.32 and 19,409.88

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Solution

The fourth proportional to 35,323.92, 48,748.32 and 19,409.88 is: 26,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,323.92 : 48,748.32 = 19,409.88 : x
  2. Step 2: Convert to fraction form
    35,323.92/48,748.32 = 19,409.88/x
  3. Step 3: Cross multiply
    35,323.92x = 48,748.32 × 19,409.88
  4. Step 4: Simplify right side
    35,323.92x = 946,199,041.40
  5. Step 5: Solve for x
    x = 946,199,041.40/35,323.92
  6. Step 6: Final answer
    x = 26,786.35

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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.