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Finding the Fourth Proportional to 1,698.51, 2,343.88 and 952.47

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Solution

The fourth proportional to 1,698.51, 2,343.88 and 952.47 is: 1,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.51 : 2,343.88 = 952.47 : x
  2. Step 2: Convert to fraction form
    1,698.51/2,343.88 = 952.47/x
  3. Step 3: Cross multiply
    1,698.51x = 2,343.88 × 952.47
  4. Step 4: Simplify right side
    1,698.51x = 2,232,475.38
  5. Step 5: Solve for x
    x = 2,232,475.38/1,698.51
  6. Step 6: Final answer
    x = 1,314.37

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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.