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Finding the Fourth Proportional to 35,681.76, 49,241.07 and 19,549.89

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Solution

The fourth proportional to 35,681.76, 49,241.07 and 19,549.89 is: 26,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.76 : 49,241.07 = 19,549.89 : x
  2. Step 2: Convert to fraction form
    35,681.76/49,241.07 = 19,549.89/x
  3. Step 3: Cross multiply
    35,681.76x = 49,241.07 × 19,549.89
  4. Step 4: Simplify right side
    35,681.76x = 962,657,501.98
  5. Step 5: Solve for x
    x = 962,657,501.98/35,681.76
  6. Step 6: Final answer
    x = 26,978.98

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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.