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Finding the Fourth Proportional to 19,352.40, 26,708.40 and 10,968

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Solution

The fourth proportional to 19,352.40, 26,708.40 and 10,968 is: 15,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.40 : 26,708.40 = 10,968 : x
  2. Step 2: Convert to fraction form
    19,352.40/26,708.40 = 10,968/x
  3. Step 3: Cross multiply
    19,352.40x = 26,708.40 × 10,968
  4. Step 4: Simplify right side
    19,352.40x = 292,937,731.20
  5. Step 5: Solve for x
    x = 292,937,731.20/19,352.40
  6. Step 6: Final answer
    x = 15,137.02

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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.