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Finding the Fourth Proportional to 7,510.78, 10,361.43 and 4,859.04

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Solution

The fourth proportional to 7,510.78, 10,361.43 and 4,859.04 is: 6,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.78 : 10,361.43 = 4,859.04 : x
  2. Step 2: Convert to fraction form
    7,510.78/10,361.43 = 4,859.04/x
  3. Step 3: Cross multiply
    7,510.78x = 10,361.43 × 4,859.04
  4. Step 4: Simplify right side
    7,510.78x = 50,346,602.83
  5. Step 5: Solve for x
    x = 50,346,602.83/7,510.78
  6. Step 6: Final answer
    x = 6,703.25

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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.