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Finding the Fourth Proportional to 70,641.82, 97,461.94 and 40,010.74

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Solution

The fourth proportional to 70,641.82, 97,461.94 and 40,010.74 is: 55,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,641.82 : 97,461.94 = 40,010.74 : x
  2. Step 2: Convert to fraction form
    70,641.82/97,461.94 = 40,010.74/x
  3. Step 3: Cross multiply
    70,641.82x = 97,461.94 × 40,010.74
  4. Step 4: Simplify right side
    70,641.82x = 3,899,524,341.24
  5. Step 5: Solve for x
    x = 3,899,524,341.24/70,641.82
  6. Step 6: Final answer
    x = 55,201.36

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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.