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Finding the Fourth Proportional to 26,070.40, 39,020.08 and 14,206.08

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Solution

The fourth proportional to 26,070.40, 39,020.08 and 14,206.08 is: 21,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,070.40 : 39,020.08 = 14,206.08 : x
  2. Step 2: Convert to fraction form
    26,070.40/39,020.08 = 14,206.08/x
  3. Step 3: Cross multiply
    26,070.40x = 39,020.08 × 14,206.08
  4. Step 4: Simplify right side
    26,070.40x = 554,322,378.09
  5. Step 5: Solve for x
    x = 554,322,378.09/26,070.40
  6. Step 6: Final answer
    x = 21,262.52

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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.