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Finding the Fourth Proportional to 70,318.47, 105,485.88 and 24,712.15

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Solution

The fourth proportional to 70,318.47, 105,485.88 and 24,712.15 is: 37,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,318.47 : 105,485.88 = 24,712.15 : x
  2. Step 2: Convert to fraction form
    70,318.47/105,485.88 = 24,712.15/x
  3. Step 3: Cross multiply
    70,318.47x = 105,485.88 × 24,712.15
  4. Step 4: Simplify right side
    70,318.47x = 2,606,782,889.44
  5. Step 5: Solve for x
    x = 2,606,782,889.44/70,318.47
  6. Step 6: Final answer
    x = 37,071.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.