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Finding the Fourth Proportional to 26,408, 36,443.04 and 15,798.08

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Solution

The fourth proportional to 26,408, 36,443.04 and 15,798.08 is: 21,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408 : 36,443.04 = 15,798.08 : x
  2. Step 2: Convert to fraction form
    26,408/36,443.04 = 15,798.08/x
  3. Step 3: Cross multiply
    26,408x = 36,443.04 × 15,798.08
  4. Step 4: Simplify right side
    26,408x = 575,730,061.36
  5. Step 5: Solve for x
    x = 575,730,061.36/26,408
  6. Step 6: Final answer
    x = 21,801.35

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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.