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Finding the Fourth Proportional to 7,570.80, 11,351.61 and 3,410.10

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Solution

The fourth proportional to 7,570.80, 11,351.61 and 3,410.10 is: 5,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.80 : 11,351.61 = 3,410.10 : x
  2. Step 2: Convert to fraction form
    7,570.80/11,351.61 = 3,410.10/x
  3. Step 3: Cross multiply
    7,570.80x = 11,351.61 × 3,410.10
  4. Step 4: Simplify right side
    7,570.80x = 38,710,125.26
  5. Step 5: Solve for x
    x = 38,710,125.26/7,570.80
  6. Step 6: Final answer
    x = 5,113.08

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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.