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Finding the Fourth Proportional to 70,325.96, 105,434.33 and 34,762.77

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Solution

The fourth proportional to 70,325.96, 105,434.33 and 34,762.77 is: 52,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,325.96 : 105,434.33 = 34,762.77 : x
  2. Step 2: Convert to fraction form
    70,325.96/105,434.33 = 34,762.77/x
  3. Step 3: Cross multiply
    70,325.96x = 105,434.33 × 34,762.77
  4. Step 4: Simplify right side
    70,325.96x = 3,665,189,190.08
  5. Step 5: Solve for x
    x = 3,665,189,190.08/70,325.96
  6. Step 6: Final answer
    x = 52,117.16

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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.