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Finding the Fourth Proportional to 1,753.02, 2,629.40 and 973.40

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Solution

The fourth proportional to 1,753.02, 2,629.40 and 973.40 is: 1,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.02 : 2,629.40 = 973.40 : x
  2. Step 2: Convert to fraction form
    1,753.02/2,629.40 = 973.40/x
  3. Step 3: Cross multiply
    1,753.02x = 2,629.40 × 973.40
  4. Step 4: Simplify right side
    1,753.02x = 2,559,457.96
  5. Step 5: Solve for x
    x = 2,559,457.96/1,753.02
  6. Step 6: Final answer
    x = 1,460.03

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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.