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Finding the Fourth Proportional to 30,752.87, 46,129.35 and 8,566.31

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Solution

The fourth proportional to 30,752.87, 46,129.35 and 8,566.31 is: 12,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752.87 : 46,129.35 = 8,566.31 : x
  2. Step 2: Convert to fraction form
    30,752.87/46,129.35 = 8,566.31/x
  3. Step 3: Cross multiply
    30,752.87x = 46,129.35 × 8,566.31
  4. Step 4: Simplify right side
    30,752.87x = 395,158,312.20
  5. Step 5: Solve for x
    x = 395,158,312.20/30,752.87
  6. Step 6: Final answer
    x = 12,849.48

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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.