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Finding the Fourth Proportional to 70,322.97, 97,026.50 and 40,097.27

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Solution

The fourth proportional to 70,322.97, 97,026.50 and 40,097.27 is: 55,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,322.97 : 97,026.50 = 40,097.27 : x
  2. Step 2: Convert to fraction form
    70,322.97/97,026.50 = 40,097.27/x
  3. Step 3: Cross multiply
    70,322.97x = 97,026.50 × 40,097.27
  4. Step 4: Simplify right side
    70,322.97x = 3,890,497,082.04
  5. Step 5: Solve for x
    x = 3,890,497,082.04/70,322.97
  6. Step 6: Final answer
    x = 55,323.28

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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.