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Finding the Fourth Proportional to 55,706.68, 83,559.84 and 14,153.68

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Solution

The fourth proportional to 55,706.68, 83,559.84 and 14,153.68 is: 21,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,706.68 : 83,559.84 = 14,153.68 : x
  2. Step 2: Convert to fraction form
    55,706.68/83,559.84 = 14,153.68/x
  3. Step 3: Cross multiply
    55,706.68x = 83,559.84 × 14,153.68
  4. Step 4: Simplify right side
    55,706.68x = 1,182,679,236.21
  5. Step 5: Solve for x
    x = 1,182,679,236.21/55,706.68
  6. Step 6: Final answer
    x = 21,230.47

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Double scale
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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.