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Finding the Fourth Proportional to 3,703.84, 5,555.04 and 1,106.20

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Solution

The fourth proportional to 3,703.84, 5,555.04 and 1,106.20 is: 1,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.84 : 5,555.04 = 1,106.20 : x
  2. Step 2: Convert to fraction form
    3,703.84/5,555.04 = 1,106.20/x
  3. Step 3: Cross multiply
    3,703.84x = 5,555.04 × 1,106.20
  4. Step 4: Simplify right side
    3,703.84x = 6,144,985.25
  5. Step 5: Solve for x
    x = 6,144,985.25/3,703.84
  6. Step 6: Final answer
    x = 1,659.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.