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Finding the Fourth Proportional to 1,050.24, 1,572.12 and 703.56

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Solution

The fourth proportional to 1,050.24, 1,572.12 and 703.56 is: 1,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.24 : 1,572.12 = 703.56 : x
  2. Step 2: Convert to fraction form
    1,050.24/1,572.12 = 703.56/x
  3. Step 3: Cross multiply
    1,050.24x = 1,572.12 × 703.56
  4. Step 4: Simplify right side
    1,050.24x = 1,106,080.75
  5. Step 5: Solve for x
    x = 1,106,080.75/1,050.24
  6. Step 6: Final answer
    x = 1,053.17

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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.