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Finding the Fourth Proportional to 69,833.68, 96,368.88 and 38,002.64

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Solution

The fourth proportional to 69,833.68, 96,368.88 and 38,002.64 is: 52,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,833.68 : 96,368.88 = 38,002.64 : x
  2. Step 2: Convert to fraction form
    69,833.68/96,368.88 = 38,002.64/x
  3. Step 3: Cross multiply
    69,833.68x = 96,368.88 × 38,002.64
  4. Step 4: Simplify right side
    69,833.68x = 3,662,271,853.84
  5. Step 5: Solve for x
    x = 3,662,271,853.84/69,833.68
  6. Step 6: Final answer
    x = 52,442.77

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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.