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Finding the Fourth Proportional to 46,990.58, 70,483.97 and 15,403.01

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Solution

The fourth proportional to 46,990.58, 70,483.97 and 15,403.01 is: 23,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,990.58 : 70,483.97 = 15,403.01 : x
  2. Step 2: Convert to fraction form
    46,990.58/70,483.97 = 15,403.01/x
  3. Step 3: Cross multiply
    46,990.58x = 70,483.97 × 15,403.01
  4. Step 4: Simplify right side
    46,990.58x = 1,085,664,980.84
  5. Step 5: Solve for x
    x = 1,085,664,980.84/46,990.58
  6. Step 6: Final answer
    x = 23,103.89

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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.