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Finding the Fourth Proportional to 1,473.02, 2,210.52 and 651.52

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Solution

The fourth proportional to 1,473.02, 2,210.52 and 651.52 is: 977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.02 : 2,210.52 = 651.52 : x
  2. Step 2: Convert to fraction form
    1,473.02/2,210.52 = 651.52/x
  3. Step 3: Cross multiply
    1,473.02x = 2,210.52 × 651.52
  4. Step 4: Simplify right side
    1,473.02x = 1,440,197.99
  5. Step 5: Solve for x
    x = 1,440,197.99/1,473.02
  6. Step 6: Final answer
    x = 977.72

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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.