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Finding the Fourth Proportional to 9,891.45, 14,841.09 and 4,340.93

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Solution

The fourth proportional to 9,891.45, 14,841.09 and 4,340.93 is: 6,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.45 : 14,841.09 = 4,340.93 : x
  2. Step 2: Convert to fraction form
    9,891.45/14,841.09 = 4,340.93/x
  3. Step 3: Cross multiply
    9,891.45x = 14,841.09 × 4,340.93
  4. Step 4: Simplify right side
    9,891.45x = 64,424,058.61
  5. Step 5: Solve for x
    x = 64,424,058.61/9,891.45
  6. Step 6: Final answer
    x = 6,513.11

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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.