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Finding the Fourth Proportional to 34,681.37, 47,860.37 and 18,765.98

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Solution

The fourth proportional to 34,681.37, 47,860.37 and 18,765.98 is: 25,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681.37 : 47,860.37 = 18,765.98 : x
  2. Step 2: Convert to fraction form
    34,681.37/47,860.37 = 18,765.98/x
  3. Step 3: Cross multiply
    34,681.37x = 47,860.37 × 18,765.98
  4. Step 4: Simplify right side
    34,681.37x = 898,146,662.93
  5. Step 5: Solve for x
    x = 898,146,662.93/34,681.37
  6. Step 6: Final answer
    x = 25,897.10

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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.