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Finding the Fourth Proportional to 60,485.57, 90,746.79 and 30,924.16

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Solution

The fourth proportional to 60,485.57, 90,746.79 and 30,924.16 is: 46,395.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,485.57 : 90,746.79 = 30,924.16 : x
  2. Step 2: Convert to fraction form
    60,485.57/90,746.79 = 30,924.16/x
  3. Step 3: Cross multiply
    60,485.57x = 90,746.79 × 30,924.16
  4. Step 4: Simplify right side
    60,485.57x = 2,806,268,026.58
  5. Step 5: Solve for x
    x = 2,806,268,026.58/60,485.57
  6. Step 6: Final answer
    x = 46,395.67

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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.