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Finding the Fourth Proportional to 33,303.92, 49,970.28 and 15,786.16

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Solution

The fourth proportional to 33,303.92, 49,970.28 and 15,786.16 is: 23,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,303.92 : 49,970.28 = 15,786.16 : x
  2. Step 2: Convert to fraction form
    33,303.92/49,970.28 = 15,786.16/x
  3. Step 3: Cross multiply
    33,303.92x = 49,970.28 × 15,786.16
  4. Step 4: Simplify right side
    33,303.92x = 788,838,835.32
  5. Step 5: Solve for x
    x = 788,838,835.32/33,303.92
  6. Step 6: Final answer
    x = 23,686.07

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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.