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Finding the Fourth Proportional to 19,848.95, 29,754.47 and 7,365.63

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Solution

The fourth proportional to 19,848.95, 29,754.47 and 7,365.63 is: 11,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.95 : 29,754.47 = 7,365.63 : x
  2. Step 2: Convert to fraction form
    19,848.95/29,754.47 = 7,365.63/x
  3. Step 3: Cross multiply
    19,848.95x = 29,754.47 × 7,365.63
  4. Step 4: Simplify right side
    19,848.95x = 219,160,380.04
  5. Step 5: Solve for x
    x = 219,160,380.04/19,848.95
  6. Step 6: Final answer
    x = 11,041.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.