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Finding the Fourth Proportional to 46,967.16, 70,473.80 and 18,886.08

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Solution

The fourth proportional to 46,967.16, 70,473.80 and 18,886.08 is: 28,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,967.16 : 70,473.80 = 18,886.08 : x
  2. Step 2: Convert to fraction form
    46,967.16/70,473.80 = 18,886.08/x
  3. Step 3: Cross multiply
    46,967.16x = 70,473.80 × 18,886.08
  4. Step 4: Simplify right side
    46,967.16x = 1,330,973,824.70
  5. Step 5: Solve for x
    x = 1,330,973,824.70/46,967.16
  6. Step 6: Final answer
    x = 28,338.39

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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.