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Finding the Fourth Proportional to 19,466.58, 26,807.31 and 16,913.16

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Solution

The fourth proportional to 19,466.58, 26,807.31 and 16,913.16 is: 23,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,466.58 : 26,807.31 = 16,913.16 : x
  2. Step 2: Convert to fraction form
    19,466.58/26,807.31 = 16,913.16/x
  3. Step 3: Cross multiply
    19,466.58x = 26,807.31 × 16,913.16
  4. Step 4: Simplify right side
    19,466.58x = 453,396,323.20
  5. Step 5: Solve for x
    x = 453,396,323.20/19,466.58
  6. Step 6: Final answer
    x = 23,291.01

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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.