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Finding the Fourth Proportional to 52,357.94, 72,254.82 and 28,484.64

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Solution

The fourth proportional to 52,357.94, 72,254.82 and 28,484.64 is: 39,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.94 : 72,254.82 = 28,484.64 : x
  2. Step 2: Convert to fraction form
    52,357.94/72,254.82 = 28,484.64/x
  3. Step 3: Cross multiply
    52,357.94x = 72,254.82 × 28,484.64
  4. Step 4: Simplify right side
    52,357.94x = 2,058,152,535.96
  5. Step 5: Solve for x
    x = 2,058,152,535.96/52,357.94
  6. Step 6: Final answer
    x = 39,309.27

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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.