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Finding the Fourth Proportional to 8,334.50, 11,501.64 and 4,608.50

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Solution

The fourth proportional to 8,334.50, 11,501.64 and 4,608.50 is: 6,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.50 : 11,501.64 = 4,608.50 : x
  2. Step 2: Convert to fraction form
    8,334.50/11,501.64 = 4,608.50/x
  3. Step 3: Cross multiply
    8,334.50x = 11,501.64 × 4,608.50
  4. Step 4: Simplify right side
    8,334.50x = 53,005,307.94
  5. Step 5: Solve for x
    x = 53,005,307.94/8,334.50
  6. Step 6: Final answer
    x = 6,359.75

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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.