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Finding the Fourth Proportional to 10,859.48, 16,287.48 and 3,068.84

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Solution

The fourth proportional to 10,859.48, 16,287.48 and 3,068.84 is: 4,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.48 : 16,287.48 = 3,068.84 : x
  2. Step 2: Convert to fraction form
    10,859.48/16,287.48 = 3,068.84/x
  3. Step 3: Cross multiply
    10,859.48x = 16,287.48 × 3,068.84
  4. Step 4: Simplify right side
    10,859.48x = 49,983,670.12
  5. Step 5: Solve for x
    x = 49,983,670.12/10,859.48
  6. Step 6: Final answer
    x = 4,602.77

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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.