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Finding the Fourth Proportional to 11,368.95, 17,055.74 and 4,795.16

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Solution

The fourth proportional to 11,368.95, 17,055.74 and 4,795.16 is: 7,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.95 : 17,055.74 = 4,795.16 : x
  2. Step 2: Convert to fraction form
    11,368.95/17,055.74 = 4,795.16/x
  3. Step 3: Cross multiply
    11,368.95x = 17,055.74 × 4,795.16
  4. Step 4: Simplify right side
    11,368.95x = 81,785,002.22
  5. Step 5: Solve for x
    x = 81,785,002.22/11,368.95
  6. Step 6: Final answer
    x = 7,193.72

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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.