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Finding the Fourth Proportional to 10,495.93, 15,661.66 and 9,392.71

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Solution

The fourth proportional to 10,495.93, 15,661.66 and 9,392.71 is: 14,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.93 : 15,661.66 = 9,392.71 : x
  2. Step 2: Convert to fraction form
    10,495.93/15,661.66 = 9,392.71/x
  3. Step 3: Cross multiply
    10,495.93x = 15,661.66 × 9,392.71
  4. Step 4: Simplify right side
    10,495.93x = 147,105,305.23
  5. Step 5: Solve for x
    x = 147,105,305.23/10,495.93
  6. Step 6: Final answer
    x = 14,015.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.