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Finding the Fourth Proportional to 26,276, 36,260.90 and 19,567.40

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Solution

The fourth proportional to 26,276, 36,260.90 and 19,567.40 is: 27,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276 : 36,260.90 = 19,567.40 : x
  2. Step 2: Convert to fraction form
    26,276/36,260.90 = 19,567.40/x
  3. Step 3: Cross multiply
    26,276x = 36,260.90 × 19,567.40
  4. Step 4: Simplify right side
    26,276x = 709,531,534.66
  5. Step 5: Solve for x
    x = 709,531,534.66/26,276
  6. Step 6: Final answer
    x = 27,003.03

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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.