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Finding the Fourth Proportional to 1,704.79, 2,552.63 and 973.36

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Solution

The fourth proportional to 1,704.79, 2,552.63 and 973.36 is: 1,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.79 : 2,552.63 = 973.36 : x
  2. Step 2: Convert to fraction form
    1,704.79/2,552.63 = 973.36/x
  3. Step 3: Cross multiply
    1,704.79x = 2,552.63 × 973.36
  4. Step 4: Simplify right side
    1,704.79x = 2,484,623.07
  5. Step 5: Solve for x
    x = 2,484,623.07/1,704.79
  6. Step 6: Final answer
    x = 1,457.44

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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.