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Finding the Fourth Proportional to 52,203.63, 72,040.41 and 28,330.32

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Solution

The fourth proportional to 52,203.63, 72,040.41 and 28,330.32 is: 39,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,203.63 : 72,040.41 = 28,330.32 : x
  2. Step 2: Convert to fraction form
    52,203.63/72,040.41 = 28,330.32/x
  3. Step 3: Cross multiply
    52,203.63x = 72,040.41 × 28,330.32
  4. Step 4: Simplify right side
    52,203.63x = 2,040,927,868.23
  5. Step 5: Solve for x
    x = 2,040,927,868.23/52,203.63
  6. Step 6: Final answer
    x = 39,095.52

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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.