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Finding the Fourth Proportional to 30,893.16, 46,342.98 and 10,118.28

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Solution

The fourth proportional to 30,893.16, 46,342.98 and 10,118.28 is: 15,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.16 : 46,342.98 = 10,118.28 : x
  2. Step 2: Convert to fraction form
    30,893.16/46,342.98 = 10,118.28/x
  3. Step 3: Cross multiply
    30,893.16x = 46,342.98 × 10,118.28
  4. Step 4: Simplify right side
    30,893.16x = 468,911,247.67
  5. Step 5: Solve for x
    x = 468,911,247.67/30,893.16
  6. Step 6: Final answer
    x = 15,178.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.