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Finding the Fourth Proportional to 9,313.93, 13,970.54 and 3,157.93

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Solution

The fourth proportional to 9,313.93, 13,970.54 and 3,157.93 is: 4,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.93 : 13,970.54 = 3,157.93 : x
  2. Step 2: Convert to fraction form
    9,313.93/13,970.54 = 3,157.93/x
  3. Step 3: Cross multiply
    9,313.93x = 13,970.54 × 3,157.93
  4. Step 4: Simplify right side
    9,313.93x = 44,117,971.59
  5. Step 5: Solve for x
    x = 44,117,971.59/9,313.93
  6. Step 6: Final answer
    x = 4,736.77

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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.