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Finding the Fourth Proportional to 9,859.23, 13,605.71 and 5,880.51

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Solution

The fourth proportional to 9,859.23, 13,605.71 and 5,880.51 is: 8,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.23 : 13,605.71 = 5,880.51 : x
  2. Step 2: Convert to fraction form
    9,859.23/13,605.71 = 5,880.51/x
  3. Step 3: Cross multiply
    9,859.23x = 13,605.71 × 5,880.51
  4. Step 4: Simplify right side
    9,859.23x = 80,008,484.31
  5. Step 5: Solve for x
    x = 80,008,484.31/9,859.23
  6. Step 6: Final answer
    x = 8,115.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.