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Finding the Fourth Proportional to 23,210.30, 34,820.44 and 7,411.61

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Solution

The fourth proportional to 23,210.30, 34,820.44 and 7,411.61 is: 11,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,210.30 : 34,820.44 = 7,411.61 : x
  2. Step 2: Convert to fraction form
    23,210.30/34,820.44 = 7,411.61/x
  3. Step 3: Cross multiply
    23,210.30x = 34,820.44 × 7,411.61
  4. Step 4: Simplify right side
    23,210.30x = 258,075,502.78
  5. Step 5: Solve for x
    x = 258,075,502.78/23,210.30
  6. Step 6: Final answer
    x = 11,119.01

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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.