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Finding the Fourth Proportional to 1,703.98, 2,351.54 and 958.06

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Solution

The fourth proportional to 1,703.98, 2,351.54 and 958.06 is: 1,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.98 : 2,351.54 = 958.06 : x
  2. Step 2: Convert to fraction form
    1,703.98/2,351.54 = 958.06/x
  3. Step 3: Cross multiply
    1,703.98x = 2,351.54 × 958.06
  4. Step 4: Simplify right side
    1,703.98x = 2,252,916.41
  5. Step 5: Solve for x
    x = 2,252,916.41/1,703.98
  6. Step 6: Final answer
    x = 1,322.15

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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.