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Finding the Fourth Proportional to 86,963.60, 130,392.09 and 37,015.25

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Solution

The fourth proportional to 86,963.60, 130,392.09 and 37,015.25 is: 55,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,963.60 : 130,392.09 = 37,015.25 : x
  2. Step 2: Convert to fraction form
    86,963.60/130,392.09 = 37,015.25/x
  3. Step 3: Cross multiply
    86,963.60x = 130,392.09 × 37,015.25
  4. Step 4: Simplify right side
    86,963.60x = 4,826,495,809.37
  5. Step 5: Solve for x
    x = 4,826,495,809.37/86,963.60
  6. Step 6: Final answer
    x = 55,500.18

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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.