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Finding the Fourth Proportional to 1,699.07, 2,344.70 and 953.03

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Solution

The fourth proportional to 1,699.07, 2,344.70 and 953.03 is: 1,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.07 : 2,344.70 = 953.03 : x
  2. Step 2: Convert to fraction form
    1,699.07/2,344.70 = 953.03/x
  3. Step 3: Cross multiply
    1,699.07x = 2,344.70 × 953.03
  4. Step 4: Simplify right side
    1,699.07x = 2,234,569.44
  5. Step 5: Solve for x
    x = 2,234,569.44/1,699.07
  6. Step 6: Final answer
    x = 1,315.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.