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Finding the Fourth Proportional to 60,669.60, 91,004.40 and 31,077.60

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Solution

The fourth proportional to 60,669.60, 91,004.40 and 31,077.60 is: 46,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,669.60 : 91,004.40 = 31,077.60 : x
  2. Step 2: Convert to fraction form
    60,669.60/91,004.40 = 31,077.60/x
  3. Step 3: Cross multiply
    60,669.60x = 91,004.40 × 31,077.60
  4. Step 4: Simplify right side
    60,669.60x = 2,828,198,341.44
  5. Step 5: Solve for x
    x = 2,828,198,341.44/60,669.60
  6. Step 6: Final answer
    x = 46,616.40

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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.