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Finding the Fourth Proportional to 70,883.01, 97,832.70 and 40,688.73

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Solution

The fourth proportional to 70,883.01, 97,832.70 and 40,688.73 is: 56,158.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.01 : 97,832.70 = 40,688.73 : x
  2. Step 2: Convert to fraction form
    70,883.01/97,832.70 = 40,688.73/x
  3. Step 3: Cross multiply
    70,883.01x = 97,832.70 × 40,688.73
  4. Step 4: Simplify right side
    70,883.01x = 3,980,688,315.47
  5. Step 5: Solve for x
    x = 3,980,688,315.47/70,883.01
  6. Step 6: Final answer
    x = 56,158.57

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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.