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Finding the Fourth Proportional to 46,989.03, 70,476.03 and 13,701.31

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Solution

The fourth proportional to 46,989.03, 70,476.03 and 13,701.31 is: 20,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,989.03 : 70,476.03 = 13,701.31 : x
  2. Step 2: Convert to fraction form
    46,989.03/70,476.03 = 13,701.31/x
  3. Step 3: Cross multiply
    46,989.03x = 70,476.03 × 13,701.31
  4. Step 4: Simplify right side
    46,989.03x = 965,613,934.60
  5. Step 5: Solve for x
    x = 965,613,934.60/46,989.03
  6. Step 6: Final answer
    x = 20,549.77

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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.