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Finding the Fourth Proportional to 17,907.97, 26,905.29 and 15,808.45

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Solution

The fourth proportional to 17,907.97, 26,905.29 and 15,808.45 is: 23,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.97 : 26,905.29 = 15,808.45 : x
  2. Step 2: Convert to fraction form
    17,907.97/26,905.29 = 15,808.45/x
  3. Step 3: Cross multiply
    17,907.97x = 26,905.29 × 15,808.45
  4. Step 4: Simplify right side
    17,907.97x = 425,330,931.70
  5. Step 5: Solve for x
    x = 425,330,931.70/17,907.97
  6. Step 6: Final answer
    x = 23,750.93

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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.