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Finding the Fourth Proportional to 60,495.79, 90,664.84 and 30,888.67

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Solution

The fourth proportional to 60,495.79, 90,664.84 and 30,888.67 is: 46,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495.79 : 90,664.84 = 30,888.67 : x
  2. Step 2: Convert to fraction form
    60,495.79/90,664.84 = 30,888.67/x
  3. Step 3: Cross multiply
    60,495.79x = 90,664.84 × 30,888.67
  4. Step 4: Simplify right side
    60,495.79x = 2,800,516,323.36
  5. Step 5: Solve for x
    x = 2,800,516,323.36/60,495.79
  6. Step 6: Final answer
    x = 46,292.75

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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.