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Finding the Fourth Proportional to 60,815.68, 91,255.08 and 46,020.16

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Solution

The fourth proportional to 60,815.68, 91,255.08 and 46,020.16 is: 69,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,815.68 : 91,255.08 = 46,020.16 : x
  2. Step 2: Convert to fraction form
    60,815.68/91,255.08 = 46,020.16/x
  3. Step 3: Cross multiply
    60,815.68x = 91,255.08 × 46,020.16
  4. Step 4: Simplify right side
    60,815.68x = 4,199,573,382.41
  5. Step 5: Solve for x
    x = 4,199,573,382.41/60,815.68
  6. Step 6: Final answer
    x = 69,054.12

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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.