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Finding the Fourth Proportional to 34,407.50, 51,619.92 and 9,783.50

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Solution

The fourth proportional to 34,407.50, 51,619.92 and 9,783.50 is: 14,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,407.50 : 51,619.92 = 9,783.50 : x
  2. Step 2: Convert to fraction form
    34,407.50/51,619.92 = 9,783.50/x
  3. Step 3: Cross multiply
    34,407.50x = 51,619.92 × 9,783.50
  4. Step 4: Simplify right side
    34,407.50x = 505,023,487.32
  5. Step 5: Solve for x
    x = 505,023,487.32/34,407.50
  6. Step 6: Final answer
    x = 14,677.72

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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.