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Finding the Fourth Proportional to 8,534.76, 12,798.06 and 4,376.76

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Solution

The fourth proportional to 8,534.76, 12,798.06 and 4,376.76 is: 6,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.76 : 12,798.06 = 4,376.76 : x
  2. Step 2: Convert to fraction form
    8,534.76/12,798.06 = 4,376.76/x
  3. Step 3: Cross multiply
    8,534.76x = 12,798.06 × 4,376.76
  4. Step 4: Simplify right side
    8,534.76x = 56,014,037.09
  5. Step 5: Solve for x
    x = 56,014,037.09/8,534.76
  6. Step 6: Final answer
    x = 6,563.05

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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.