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Finding the Fourth Proportional to 35,603.67, 49,130.64 and 19,687.98

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Solution

The fourth proportional to 35,603.67, 49,130.64 and 19,687.98 is: 27,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.67 : 49,130.64 = 19,687.98 : x
  2. Step 2: Convert to fraction form
    35,603.67/49,130.64 = 19,687.98/x
  3. Step 3: Cross multiply
    35,603.67x = 49,130.64 × 19,687.98
  4. Step 4: Simplify right side
    35,603.67x = 967,283,057.71
  5. Step 5: Solve for x
    x = 967,283,057.71/35,603.67
  6. Step 6: Final answer
    x = 27,168.07

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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.