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Finding the Fourth Proportional to 66,010.40, 98,929.20 and 26,535.20

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Solution

The fourth proportional to 66,010.40, 98,929.20 and 26,535.20 is: 39,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010.40 : 98,929.20 = 26,535.20 : x
  2. Step 2: Convert to fraction form
    66,010.40/98,929.20 = 26,535.20/x
  3. Step 3: Cross multiply
    66,010.40x = 98,929.20 × 26,535.20
  4. Step 4: Simplify right side
    66,010.40x = 2,625,106,107.84
  5. Step 5: Solve for x
    x = 2,625,106,107.84/66,010.40
  6. Step 6: Final answer
    x = 39,768.07

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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.