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Finding the Fourth Proportional to 43,509.15, 65,264.54 and 34,848.63

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Solution

The fourth proportional to 43,509.15, 65,264.54 and 34,848.63 is: 52,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,509.15 : 65,264.54 = 34,848.63 : x
  2. Step 2: Convert to fraction form
    43,509.15/65,264.54 = 34,848.63/x
  3. Step 3: Cross multiply
    43,509.15x = 65,264.54 × 34,848.63
  4. Step 4: Simplify right side
    43,509.15x = 2,274,379,632.34
  5. Step 5: Solve for x
    x = 2,274,379,632.34/43,509.15
  6. Step 6: Final answer
    x = 52,273.59

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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.