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Finding the Fourth Proportional to 4,670.65, 7,006.71 and 1,384.07

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Solution

The fourth proportional to 4,670.65, 7,006.71 and 1,384.07 is: 2,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.65 : 7,006.71 = 1,384.07 : x
  2. Step 2: Convert to fraction form
    4,670.65/7,006.71 = 1,384.07/x
  3. Step 3: Cross multiply
    4,670.65x = 7,006.71 × 1,384.07
  4. Step 4: Simplify right side
    4,670.65x = 9,697,777.11
  5. Step 5: Solve for x
    x = 9,697,777.11/4,670.65
  6. Step 6: Final answer
    x = 2,076.32

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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.