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Finding the Fourth Proportional to 46,894.66, 64,719.03 and 28,031.38

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Solution

The fourth proportional to 46,894.66, 64,719.03 and 28,031.38 is: 38,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,894.66 : 64,719.03 = 28,031.38 : x
  2. Step 2: Convert to fraction form
    46,894.66/64,719.03 = 28,031.38/x
  3. Step 3: Cross multiply
    46,894.66x = 64,719.03 × 28,031.38
  4. Step 4: Simplify right side
    46,894.66x = 1,814,163,723.16
  5. Step 5: Solve for x
    x = 1,814,163,723.16/46,894.66
  6. Step 6: Final answer
    x = 38,685.93

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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.