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Finding the Fourth Proportional to 70,893.52, 97,832.27 and 40,266.40

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Solution

The fourth proportional to 70,893.52, 97,832.27 and 40,266.40 is: 55,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,893.52 : 97,832.27 = 40,266.40 : x
  2. Step 2: Convert to fraction form
    70,893.52/97,832.27 = 40,266.40/x
  3. Step 3: Cross multiply
    70,893.52x = 97,832.27 × 40,266.40
  4. Step 4: Simplify right side
    70,893.52x = 3,939,353,316.73
  5. Step 5: Solve for x
    x = 3,939,353,316.73/70,893.52
  6. Step 6: Final answer
    x = 55,567.18

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1.5x scale

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.