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Finding the Fourth Proportional to 38,751.60, 53,482.20 and 26,175.60

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Solution

The fourth proportional to 38,751.60, 53,482.20 and 26,175.60 is: 36,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.60 : 53,482.20 = 26,175.60 : x
  2. Step 2: Convert to fraction form
    38,751.60/53,482.20 = 26,175.60/x
  3. Step 3: Cross multiply
    38,751.60x = 53,482.20 × 26,175.60
  4. Step 4: Simplify right side
    38,751.60x = 1,399,928,674.32
  5. Step 5: Solve for x
    x = 1,399,928,674.32/38,751.60
  6. Step 6: Final answer
    x = 36,125.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.