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Finding the Fourth Proportional to 35,880.19, 49,509.06 and 19,964.59

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Solution

The fourth proportional to 35,880.19, 49,509.06 and 19,964.59 is: 27,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.19 : 49,509.06 = 19,964.59 : x
  2. Step 2: Convert to fraction form
    35,880.19/49,509.06 = 19,964.59/x
  3. Step 3: Cross multiply
    35,880.19x = 49,509.06 × 19,964.59
  4. Step 4: Simplify right side
    35,880.19x = 988,428,084.19
  5. Step 5: Solve for x
    x = 988,428,084.19/35,880.19
  6. Step 6: Final answer
    x = 27,548.02

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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.