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Finding the Fourth Proportional to 3,315.32, 4,973.01 and 975.37

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Solution

The fourth proportional to 3,315.32, 4,973.01 and 975.37 is: 1,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.32 : 4,973.01 = 975.37 : x
  2. Step 2: Convert to fraction form
    3,315.32/4,973.01 = 975.37/x
  3. Step 3: Cross multiply
    3,315.32x = 4,973.01 × 975.37
  4. Step 4: Simplify right side
    3,315.32x = 4,850,524.76
  5. Step 5: Solve for x
    x = 4,850,524.76/3,315.32
  6. Step 6: Final answer
    x = 1,463.06

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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.