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Finding the Fourth Proportional to 7,035.32, 9,707.10 and 4,050.20

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Solution

The fourth proportional to 7,035.32, 9,707.10 and 4,050.20 is: 5,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.32 : 9,707.10 = 4,050.20 : x
  2. Step 2: Convert to fraction form
    7,035.32/9,707.10 = 4,050.20/x
  3. Step 3: Cross multiply
    7,035.32x = 9,707.10 × 4,050.20
  4. Step 4: Simplify right side
    7,035.32x = 39,315,696.42
  5. Step 5: Solve for x
    x = 39,315,696.42/7,035.32
  6. Step 6: Final answer
    x = 5,588.33

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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.