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Finding the Fourth Proportional to 34,698.86, 52,048.43 and 8,403.63

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Solution

The fourth proportional to 34,698.86, 52,048.43 and 8,403.63 is: 12,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,698.86 : 52,048.43 = 8,403.63 : x
  2. Step 2: Convert to fraction form
    34,698.86/52,048.43 = 8,403.63/x
  3. Step 3: Cross multiply
    34,698.86x = 52,048.43 × 8,403.63
  4. Step 4: Simplify right side
    34,698.86x = 437,395,705.78
  5. Step 5: Solve for x
    x = 437,395,705.78/34,698.86
  6. Step 6: Final answer
    x = 12,605.48

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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.