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Finding the Fourth Proportional to 26,006.90, 39,010.35 and 9,374.90

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Solution

The fourth proportional to 26,006.90, 39,010.35 and 9,374.90 is: 14,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,006.90 : 39,010.35 = 9,374.90 : x
  2. Step 2: Convert to fraction form
    26,006.90/39,010.35 = 9,374.90/x
  3. Step 3: Cross multiply
    26,006.90x = 39,010.35 × 9,374.90
  4. Step 4: Simplify right side
    26,006.90x = 365,718,130.22
  5. Step 5: Solve for x
    x = 365,718,130.22/26,006.90
  6. Step 6: Final answer
    x = 14,062.35

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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.