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Finding the Fourth Proportional to 13,804.95, 19,050.81 and 7,517.32

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Solution

The fourth proportional to 13,804.95, 19,050.81 and 7,517.32 is: 10,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.95 : 19,050.81 = 7,517.32 : x
  2. Step 2: Convert to fraction form
    13,804.95/19,050.81 = 7,517.32/x
  3. Step 3: Cross multiply
    13,804.95x = 19,050.81 × 7,517.32
  4. Step 4: Simplify right side
    13,804.95x = 143,211,035.03
  5. Step 5: Solve for x
    x = 143,211,035.03/13,804.95
  6. Step 6: Final answer
    x = 10,373.89

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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.