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Finding the Fourth Proportional to 70,485.80, 97,274.90 and 46,570.52

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Solution

The fourth proportional to 70,485.80, 97,274.90 and 46,570.52 is: 64,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,485.80 : 97,274.90 = 46,570.52 : x
  2. Step 2: Convert to fraction form
    70,485.80/97,274.90 = 46,570.52/x
  3. Step 3: Cross multiply
    70,485.80x = 97,274.90 × 46,570.52
  4. Step 4: Simplify right side
    70,485.80x = 4,530,142,675.95
  5. Step 5: Solve for x
    x = 4,530,142,675.95/70,485.80
  6. Step 6: Final answer
    x = 64,270.29

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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.