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Finding the Fourth Proportional to 69,603.94, 96,052.40 and 40,926.84

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Solution

The fourth proportional to 69,603.94, 96,052.40 and 40,926.84 is: 56,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,603.94 : 96,052.40 = 40,926.84 : x
  2. Step 2: Convert to fraction form
    69,603.94/96,052.40 = 40,926.84/x
  3. Step 3: Cross multiply
    69,603.94x = 96,052.40 × 40,926.84
  4. Step 4: Simplify right side
    69,603.94x = 3,931,121,206.42
  5. Step 5: Solve for x
    x = 3,931,121,206.42/69,603.94
  6. Step 6: Final answer
    x = 56,478.43

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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.