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Finding the Fourth Proportional to 8,676.64, 13,011.06 and 5,903.98

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Solution

The fourth proportional to 8,676.64, 13,011.06 and 5,903.98 is: 8,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.64 : 13,011.06 = 5,903.98 : x
  2. Step 2: Convert to fraction form
    8,676.64/13,011.06 = 5,903.98/x
  3. Step 3: Cross multiply
    8,676.64x = 13,011.06 × 5,903.98
  4. Step 4: Simplify right side
    8,676.64x = 76,817,038.02
  5. Step 5: Solve for x
    x = 76,817,038.02/8,676.64
  6. Step 6: Final answer
    x = 8,853.32

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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.