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Finding the Fourth Proportional to 10,784.76, 14,883 and 6,069.12

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Solution

The fourth proportional to 10,784.76, 14,883 and 6,069.12 is: 8,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.76 : 14,883 = 6,069.12 : x
  2. Step 2: Convert to fraction form
    10,784.76/14,883 = 6,069.12/x
  3. Step 3: Cross multiply
    10,784.76x = 14,883 × 6,069.12
  4. Step 4: Simplify right side
    10,784.76x = 90,326,712.96
  5. Step 5: Solve for x
    x = 90,326,712.96/10,784.76
  6. Step 6: Final answer
    x = 8,375.40

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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.