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Finding the Fourth Proportional to 17,762.91, 26,602.85 and 14,040.15

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Solution

The fourth proportional to 17,762.91, 26,602.85 and 14,040.15 is: 21,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762.91 : 26,602.85 = 14,040.15 : x
  2. Step 2: Convert to fraction form
    17,762.91/26,602.85 = 14,040.15/x
  3. Step 3: Cross multiply
    17,762.91x = 26,602.85 × 14,040.15
  4. Step 4: Simplify right side
    17,762.91x = 373,507,934.23
  5. Step 5: Solve for x
    x = 373,507,934.23/17,762.91
  6. Step 6: Final answer
    x = 21,027.41

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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.