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Finding the Fourth Proportional to 12,969.54, 17,895.99 and 7,303.99

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Solution

The fourth proportional to 12,969.54, 17,895.99 and 7,303.99 is: 10,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969.54 : 17,895.99 = 7,303.99 : x
  2. Step 2: Convert to fraction form
    12,969.54/17,895.99 = 7,303.99/x
  3. Step 3: Cross multiply
    12,969.54x = 17,895.99 × 7,303.99
  4. Step 4: Simplify right side
    12,969.54x = 130,712,132.00
  5. Step 5: Solve for x
    x = 130,712,132.00/12,969.54
  6. Step 6: Final answer
    x = 10,078.39

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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.