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Finding the Fourth Proportional to 70,618.75, 97,462.52 and 40,810.75

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Solution

The fourth proportional to 70,618.75, 97,462.52 and 40,810.75 is: 56,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,618.75 : 97,462.52 = 40,810.75 : x
  2. Step 2: Convert to fraction form
    70,618.75/97,462.52 = 40,810.75/x
  3. Step 3: Cross multiply
    70,618.75x = 97,462.52 × 40,810.75
  4. Step 4: Simplify right side
    70,618.75x = 3,977,518,538.09
  5. Step 5: Solve for x
    x = 3,977,518,538.09/70,618.75
  6. Step 6: Final answer
    x = 56,323.83

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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.