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Finding the Fourth Proportional to 70,592.58, 105,888.91 and 44,315.78

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Solution

The fourth proportional to 70,592.58, 105,888.91 and 44,315.78 is: 66,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,592.58 : 105,888.91 = 44,315.78 : x
  2. Step 2: Convert to fraction form
    70,592.58/105,888.91 = 44,315.78/x
  3. Step 3: Cross multiply
    70,592.58x = 105,888.91 × 44,315.78
  4. Step 4: Simplify right side
    70,592.58x = 4,692,549,182.13
  5. Step 5: Solve for x
    x = 4,692,549,182.13/70,592.58
  6. Step 6: Final answer
    x = 66,473.69

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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.