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Finding the Fourth Proportional to 70,220.10, 105,280.93 and 25,841.10

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Solution

The fourth proportional to 70,220.10, 105,280.93 and 25,841.10 is: 38,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220.10 : 105,280.93 = 25,841.10 : x
  2. Step 2: Convert to fraction form
    70,220.10/105,280.93 = 25,841.10/x
  3. Step 3: Cross multiply
    70,220.10x = 105,280.93 × 25,841.10
  4. Step 4: Simplify right side
    70,220.10x = 2,720,575,040.22
  5. Step 5: Solve for x
    x = 2,720,575,040.22/70,220.10
  6. Step 6: Final answer
    x = 38,743.54

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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.