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Finding the Fourth Proportional to 45,079.58, 67,603.52 and 15,501

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Solution

The fourth proportional to 45,079.58, 67,603.52 and 15,501 is: 23,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,079.58 : 67,603.52 = 15,501 : x
  2. Step 2: Convert to fraction form
    45,079.58/67,603.52 = 15,501/x
  3. Step 3: Cross multiply
    45,079.58x = 67,603.52 × 15,501
  4. Step 4: Simplify right side
    45,079.58x = 1,047,922,163.52
  5. Step 5: Solve for x
    x = 1,047,922,163.52/45,079.58
  6. Step 6: Final answer
    x = 23,246.05

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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.