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Finding the Fourth Proportional to 18,649.69, 25,702.30 and 17,466.01

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Solution

The fourth proportional to 18,649.69, 25,702.30 and 17,466.01 is: 24,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.69 : 25,702.30 = 17,466.01 : x
  2. Step 2: Convert to fraction form
    18,649.69/25,702.30 = 17,466.01/x
  3. Step 3: Cross multiply
    18,649.69x = 25,702.30 × 17,466.01
  4. Step 4: Simplify right side
    18,649.69x = 448,916,628.82
  5. Step 5: Solve for x
    x = 448,916,628.82/18,649.69
  6. Step 6: Final answer
    x = 24,071.00

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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.