Home / 52,645.08-72,650.34-28,772.04

Finding the Fourth Proportional to 52,645.08, 72,650.34 and 28,772.04

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Solution

The fourth proportional to 52,645.08, 72,650.34 and 28,772.04 is: 39,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,645.08 : 72,650.34 = 28,772.04 : x
  2. Step 2: Convert to fraction form
    52,645.08/72,650.34 = 28,772.04/x
  3. Step 3: Cross multiply
    52,645.08x = 72,650.34 × 28,772.04
  4. Step 4: Simplify right side
    52,645.08x = 2,090,298,488.49
  5. Step 5: Solve for x
    x = 2,090,298,488.49/52,645.08
  6. Step 6: Final answer
    x = 39,705.49

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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.