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Finding the Fourth Proportional to 70,636.74, 105,915.17 and 23,239.01

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Solution

The fourth proportional to 70,636.74, 105,915.17 and 23,239.01 is: 34,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,636.74 : 105,915.17 = 23,239.01 : x
  2. Step 2: Convert to fraction form
    70,636.74/105,915.17 = 23,239.01/x
  3. Step 3: Cross multiply
    70,636.74x = 105,915.17 × 23,239.01
  4. Step 4: Simplify right side
    70,636.74x = 2,461,363,223.30
  5. Step 5: Solve for x
    x = 2,461,363,223.30/70,636.74
  6. Step 6: Final answer
    x = 34,845.37

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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.