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Finding the Fourth Proportional to 7,050.55, 9,730.63 and 4,066.39

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Solution

The fourth proportional to 7,050.55, 9,730.63 and 4,066.39 is: 5,612.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.55 : 9,730.63 = 4,066.39 : x
  2. Step 2: Convert to fraction form
    7,050.55/9,730.63 = 4,066.39/x
  3. Step 3: Cross multiply
    7,050.55x = 9,730.63 × 4,066.39
  4. Step 4: Simplify right side
    7,050.55x = 39,568,536.53
  5. Step 5: Solve for x
    x = 39,568,536.53/7,050.55
  6. Step 6: Final answer
    x = 5,612.12

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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.