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Finding the Fourth Proportional to 30,802.87, 46,200.72 and 8,617.98

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Solution

The fourth proportional to 30,802.87, 46,200.72 and 8,617.98 is: 12,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802.87 : 46,200.72 = 8,617.98 : x
  2. Step 2: Convert to fraction form
    30,802.87/46,200.72 = 8,617.98/x
  3. Step 3: Cross multiply
    30,802.87x = 46,200.72 × 8,617.98
  4. Step 4: Simplify right side
    30,802.87x = 398,156,668.59
  5. Step 5: Solve for x
    x = 398,156,668.59/30,802.87
  6. Step 6: Final answer
    x = 12,925.96

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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.