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Finding the Fourth Proportional to 58,842.34, 81,124.41 and 48,733.54

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Solution

The fourth proportional to 58,842.34, 81,124.41 and 48,733.54 is: 67,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,842.34 : 81,124.41 = 48,733.54 : x
  2. Step 2: Convert to fraction form
    58,842.34/81,124.41 = 48,733.54/x
  3. Step 3: Cross multiply
    58,842.34x = 81,124.41 × 48,733.54
  4. Step 4: Simplify right side
    58,842.34x = 3,953,479,679.71
  5. Step 5: Solve for x
    x = 3,953,479,679.71/58,842.34
  6. Step 6: Final answer
    x = 67,187.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.