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Finding the Fourth Proportional to 9,643, 14,462.34 and 4,710.28

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Solution

The fourth proportional to 9,643, 14,462.34 and 4,710.28 is: 7,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643 : 14,462.34 = 4,710.28 : x
  2. Step 2: Convert to fraction form
    9,643/14,462.34 = 4,710.28/x
  3. Step 3: Cross multiply
    9,643x = 14,462.34 × 4,710.28
  4. Step 4: Simplify right side
    9,643x = 68,121,670.86
  5. Step 5: Solve for x
    x = 68,121,670.86/9,643
  6. Step 6: Final answer
    x = 7,064.36

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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.