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Finding the Fourth Proportional to 35,574.04, 53,361.05 and 9,278.71

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Solution

The fourth proportional to 35,574.04, 53,361.05 and 9,278.71 is: 13,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,574.04 : 53,361.05 = 9,278.71 : x
  2. Step 2: Convert to fraction form
    35,574.04/53,361.05 = 9,278.71/x
  3. Step 3: Cross multiply
    35,574.04x = 53,361.05 × 9,278.71
  4. Step 4: Simplify right side
    35,574.04x = 495,121,395.05
  5. Step 5: Solve for x
    x = 495,121,395.05/35,574.04
  6. Step 6: Final answer
    x = 13,918.06

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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.