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Finding the Fourth Proportional to 52,407.44, 72,320.31 and 28,533.63

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Solution

The fourth proportional to 52,407.44, 72,320.31 and 28,533.63 is: 39,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.44 : 72,320.31 = 28,533.63 : x
  2. Step 2: Convert to fraction form
    52,407.44/72,320.31 = 28,533.63/x
  3. Step 3: Cross multiply
    52,407.44x = 72,320.31 × 28,533.63
  4. Step 4: Simplify right side
    52,407.44x = 2,063,560,967.03
  5. Step 5: Solve for x
    x = 2,063,560,967.03/52,407.44
  6. Step 6: Final answer
    x = 39,375.35

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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.