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Finding the Fourth Proportional to 70,325.94, 105,477.57 and 25,973.58

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Solution

The fourth proportional to 70,325.94, 105,477.57 and 25,973.58 is: 38,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,325.94 : 105,477.57 = 25,973.58 : x
  2. Step 2: Convert to fraction form
    70,325.94/105,477.57 = 25,973.58/x
  3. Step 3: Cross multiply
    70,325.94x = 105,477.57 × 25,973.58
  4. Step 4: Simplify right side
    70,325.94x = 2,739,630,102.60
  5. Step 5: Solve for x
    x = 2,739,630,102.60/70,325.94
  6. Step 6: Final answer
    x = 38,956.18

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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.