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Finding the Fourth Proportional to 1,697.06, 2,341.86 and 951.05

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Solution

The fourth proportional to 1,697.06, 2,341.86 and 951.05 is: 1,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.06 : 2,341.86 = 951.05 : x
  2. Step 2: Convert to fraction form
    1,697.06/2,341.86 = 951.05/x
  3. Step 3: Cross multiply
    1,697.06x = 2,341.86 × 951.05
  4. Step 4: Simplify right side
    1,697.06x = 2,227,214.24
  5. Step 5: Solve for x
    x = 2,227,214.24/1,697.06
  6. Step 6: Final answer
    x = 1,312.40

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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.