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Finding the Fourth Proportional to 34,762.96, 47,973.21 and 18,847.45

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Solution

The fourth proportional to 34,762.96, 47,973.21 and 18,847.45 is: 26,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,762.96 : 47,973.21 = 18,847.45 : x
  2. Step 2: Convert to fraction form
    34,762.96/47,973.21 = 18,847.45/x
  3. Step 3: Cross multiply
    34,762.96x = 47,973.21 × 18,847.45
  4. Step 4: Simplify right side
    34,762.96x = 904,172,436.95
  5. Step 5: Solve for x
    x = 904,172,436.95/34,762.96
  6. Step 6: Final answer
    x = 26,009.65

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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.