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Finding the Fourth Proportional to 70,326.40, 97,034.12 and 41,631.64

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Solution

The fourth proportional to 70,326.40, 97,034.12 and 41,631.64 is: 57,442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,326.40 : 97,034.12 = 41,631.64 : x
  2. Step 2: Convert to fraction form
    70,326.40/97,034.12 = 41,631.64/x
  3. Step 3: Cross multiply
    70,326.40x = 97,034.12 × 41,631.64
  4. Step 4: Simplify right side
    70,326.40x = 4,039,689,551.56
  5. Step 5: Solve for x
    x = 4,039,689,551.56/70,326.40
  6. Step 6: Final answer
    x = 57,442.01

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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.