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Finding the Fourth Proportional to 70,583.99, 105,853.50 and 23,188.08

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Solution

The fourth proportional to 70,583.99, 105,853.50 and 23,188.08 is: 34,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,583.99 : 105,853.50 = 23,188.08 : x
  2. Step 2: Convert to fraction form
    70,583.99/105,853.50 = 23,188.08/x
  3. Step 3: Cross multiply
    70,583.99x = 105,853.50 × 23,188.08
  4. Step 4: Simplify right side
    70,583.99x = 2,454,539,484.25
  5. Step 5: Solve for x
    x = 2,454,539,484.25/70,583.99
  6. Step 6: Final answer
    x = 34,774.74

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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.