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Finding the Fourth Proportional to 8,592.68, 12,890.64 and 4,899.08

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Solution

The fourth proportional to 8,592.68, 12,890.64 and 4,899.08 is: 7,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.68 : 12,890.64 = 4,899.08 : x
  2. Step 2: Convert to fraction form
    8,592.68/12,890.64 = 4,899.08/x
  3. Step 3: Cross multiply
    8,592.68x = 12,890.64 × 4,899.08
  4. Step 4: Simplify right side
    8,592.68x = 63,152,276.61
  5. Step 5: Solve for x
    x = 63,152,276.61/8,592.68
  6. Step 6: Final answer
    x = 7,349.54

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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.