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Finding the Fourth Proportional to 10,068.99, 13,898.88 and 8,646.95

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Solution

The fourth proportional to 10,068.99, 13,898.88 and 8,646.95 is: 11,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.99 : 13,898.88 = 8,646.95 : x
  2. Step 2: Convert to fraction form
    10,068.99/13,898.88 = 8,646.95/x
  3. Step 3: Cross multiply
    10,068.99x = 13,898.88 × 8,646.95
  4. Step 4: Simplify right side
    10,068.99x = 120,182,850.92
  5. Step 5: Solve for x
    x = 120,182,850.92/10,068.99
  6. Step 6: Final answer
    x = 11,935.94

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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.