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Finding the Fourth Proportional to 15,090.44, 22,641.06 and 7,696.76

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Solution

The fourth proportional to 15,090.44, 22,641.06 and 7,696.76 is: 11,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.44 : 22,641.06 = 7,696.76 : x
  2. Step 2: Convert to fraction form
    15,090.44/22,641.06 = 7,696.76/x
  3. Step 3: Cross multiply
    15,090.44x = 22,641.06 × 7,696.76
  4. Step 4: Simplify right side
    15,090.44x = 174,262,804.97
  5. Step 5: Solve for x
    x = 174,262,804.97/15,090.44
  6. Step 6: Final answer
    x = 11,547.89

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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.