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Finding the Fourth Proportional to 1,721.02, 2,375.06 and 975.10

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Solution

The fourth proportional to 1,721.02, 2,375.06 and 975.10 is: 1,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.02 : 2,375.06 = 975.10 : x
  2. Step 2: Convert to fraction form
    1,721.02/2,375.06 = 975.10/x
  3. Step 3: Cross multiply
    1,721.02x = 2,375.06 × 975.10
  4. Step 4: Simplify right side
    1,721.02x = 2,315,921.01
  5. Step 5: Solve for x
    x = 2,315,921.01/1,721.02
  6. Step 6: Final answer
    x = 1,345.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.