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Finding the Fourth Proportional to 1,700.19, 2,346.38 and 954.20

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Solution

The fourth proportional to 1,700.19, 2,346.38 and 954.20 is: 1,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.19 : 2,346.38 = 954.20 : x
  2. Step 2: Convert to fraction form
    1,700.19/2,346.38 = 954.20/x
  3. Step 3: Cross multiply
    1,700.19x = 2,346.38 × 954.20
  4. Step 4: Simplify right side
    1,700.19x = 2,238,916.89
  5. Step 5: Solve for x
    x = 2,238,916.89/1,700.19
  6. Step 6: Final answer
    x = 1,316.86

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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.