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Finding the Fourth Proportional to 70,245.59, 97,018.74 and 47,235.38

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Solution

The fourth proportional to 70,245.59, 97,018.74 and 47,235.38 is: 65,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,245.59 : 97,018.74 = 47,235.38 : x
  2. Step 2: Convert to fraction form
    70,245.59/97,018.74 = 47,235.38/x
  3. Step 3: Cross multiply
    70,245.59x = 97,018.74 × 47,235.38
  4. Step 4: Simplify right side
    70,245.59x = 4,582,716,565.93
  5. Step 5: Solve for x
    x = 4,582,716,565.93/70,245.59
  6. Step 6: Final answer
    x = 65,238.50

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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.