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Finding the Fourth Proportional to 34,307.60, 51,461.40 and 10,936.40

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Solution

The fourth proportional to 34,307.60, 51,461.40 and 10,936.40 is: 16,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307.60 : 51,461.40 = 10,936.40 : x
  2. Step 2: Convert to fraction form
    34,307.60/51,461.40 = 10,936.40/x
  3. Step 3: Cross multiply
    34,307.60x = 51,461.40 × 10,936.40
  4. Step 4: Simplify right side
    34,307.60x = 562,802,454.96
  5. Step 5: Solve for x
    x = 562,802,454.96/34,307.60
  6. Step 6: Final answer
    x = 16,404.60

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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.