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Finding the Fourth Proportional to 55,292.32, 82,952.78 and 15,852.32

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Solution

The fourth proportional to 55,292.32, 82,952.78 and 15,852.32 is: 23,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.32 : 82,952.78 = 15,852.32 : x
  2. Step 2: Convert to fraction form
    55,292.32/82,952.78 = 15,852.32/x
  3. Step 3: Cross multiply
    55,292.32x = 82,952.78 × 15,852.32
  4. Step 4: Simplify right side
    55,292.32x = 1,314,994,013.45
  5. Step 5: Solve for x
    x = 1,314,994,013.45/55,292.32
  6. Step 6: Final answer
    x = 23,782.58

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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.