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Finding the Fourth Proportional to 26,926.60, 40,386.71 and 7,206.68

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Solution

The fourth proportional to 26,926.60, 40,386.71 and 7,206.68 is: 10,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,926.60 : 40,386.71 = 7,206.68 : x
  2. Step 2: Convert to fraction form
    26,926.60/40,386.71 = 7,206.68/x
  3. Step 3: Cross multiply
    26,926.60x = 40,386.71 × 7,206.68
  4. Step 4: Simplify right side
    26,926.60x = 291,054,095.22
  5. Step 5: Solve for x
    x = 291,054,095.22/26,926.60
  6. Step 6: Final answer
    x = 10,809.17

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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.