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Finding the Fourth Proportional to 30,670.48, 46,007.64 and 12,202

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Solution

The fourth proportional to 30,670.48, 46,007.64 and 12,202 is: 18,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.48 : 46,007.64 = 12,202 : x
  2. Step 2: Convert to fraction form
    30,670.48/46,007.64 = 12,202/x
  3. Step 3: Cross multiply
    30,670.48x = 46,007.64 × 12,202
  4. Step 4: Simplify right side
    30,670.48x = 561,385,223.28
  5. Step 5: Solve for x
    x = 561,385,223.28/30,670.48
  6. Step 6: Final answer
    x = 18,303.76

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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.