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Finding the Fourth Proportional to 43,495.53, 65,253.02 and 13,915.14

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Solution

The fourth proportional to 43,495.53, 65,253.02 and 13,915.14 is: 20,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,495.53 : 65,253.02 = 13,915.14 : x
  2. Step 2: Convert to fraction form
    43,495.53/65,253.02 = 13,915.14/x
  3. Step 3: Cross multiply
    43,495.53x = 65,253.02 × 13,915.14
  4. Step 4: Simplify right side
    43,495.53x = 908,004,839.15
  5. Step 5: Solve for x
    x = 908,004,839.15/43,495.53
  6. Step 6: Final answer
    x = 20,875.82

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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.