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Finding the Fourth Proportional to 45,077.68, 62,206.86 and 25,205.68

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Solution

The fourth proportional to 45,077.68, 62,206.86 and 25,205.68 is: 34,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,077.68 : 62,206.86 = 25,205.68 : x
  2. Step 2: Convert to fraction form
    45,077.68/62,206.86 = 25,205.68/x
  3. Step 3: Cross multiply
    45,077.68x = 62,206.86 × 25,205.68
  4. Step 4: Simplify right side
    45,077.68x = 1,567,966,206.96
  5. Step 5: Solve for x
    x = 1,567,966,206.96/45,077.68
  6. Step 6: Final answer
    x = 34,783.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.