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Finding the Fourth Proportional to 75,064.52, 112,596.84 and 18,904.64

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Solution

The fourth proportional to 75,064.52, 112,596.84 and 18,904.64 is: 28,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,064.52 : 112,596.84 = 18,904.64 : x
  2. Step 2: Convert to fraction form
    75,064.52/112,596.84 = 18,904.64/x
  3. Step 3: Cross multiply
    75,064.52x = 112,596.84 × 18,904.64
  4. Step 4: Simplify right side
    75,064.52x = 2,128,602,725.34
  5. Step 5: Solve for x
    x = 2,128,602,725.34/75,064.52
  6. Step 6: Final answer
    x = 28,356.98

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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.