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Finding the Fourth Proportional to 1,701.17, 2,347.54 and 993.05

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Solution

The fourth proportional to 1,701.17, 2,347.54 and 993.05 is: 1,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.17 : 2,347.54 = 993.05 : x
  2. Step 2: Convert to fraction form
    1,701.17/2,347.54 = 993.05/x
  3. Step 3: Cross multiply
    1,701.17x = 2,347.54 × 993.05
  4. Step 4: Simplify right side
    1,701.17x = 2,331,219.18
  5. Step 5: Solve for x
    x = 2,331,219.18/1,701.17
  6. Step 6: Final answer
    x = 1,370.36

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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.