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Finding the Fourth Proportional to 35,571.17, 49,085.79 and 19,655.48

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Solution

The fourth proportional to 35,571.17, 49,085.79 and 19,655.48 is: 27,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,571.17 : 49,085.79 = 19,655.48 : x
  2. Step 2: Convert to fraction form
    35,571.17/49,085.79 = 19,655.48/x
  3. Step 3: Cross multiply
    35,571.17x = 49,085.79 × 19,655.48
  4. Step 4: Simplify right side
    35,571.17x = 964,804,763.63
  5. Step 5: Solve for x
    x = 964,804,763.63/35,571.17
  6. Step 6: Final answer
    x = 27,123.22

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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.