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Finding the Fourth Proportional to 26,599.58, 39,907.17 and 7,880.10

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Solution

The fourth proportional to 26,599.58, 39,907.17 and 7,880.10 is: 11,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,599.58 : 39,907.17 = 7,880.10 : x
  2. Step 2: Convert to fraction form
    26,599.58/39,907.17 = 7,880.10/x
  3. Step 3: Cross multiply
    26,599.58x = 39,907.17 × 7,880.10
  4. Step 4: Simplify right side
    26,599.58x = 314,472,490.32
  5. Step 5: Solve for x
    x = 314,472,490.32/26,599.58
  6. Step 6: Final answer
    x = 11,822.46

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1.5x scale

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.