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Finding the Fourth Proportional to 58,166.58, 87,246.40 and 20,724.67

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Solution

The fourth proportional to 58,166.58, 87,246.40 and 20,724.67 is: 31,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,166.58 : 87,246.40 = 20,724.67 : x
  2. Step 2: Convert to fraction form
    58,166.58/87,246.40 = 20,724.67/x
  3. Step 3: Cross multiply
    58,166.58x = 87,246.40 × 20,724.67
  4. Step 4: Simplify right side
    58,166.58x = 1,808,152,412.46
  5. Step 5: Solve for x
    x = 1,808,152,412.46/58,166.58
  6. Step 6: Final answer
    x = 31,085.76

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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.