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Finding the Fourth Proportional to 69,405.25, 95,779.74 and 37,574.23

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Solution

The fourth proportional to 69,405.25, 95,779.74 and 37,574.23 is: 51,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,405.25 : 95,779.74 = 37,574.23 : x
  2. Step 2: Convert to fraction form
    69,405.25/95,779.74 = 37,574.23/x
  3. Step 3: Cross multiply
    69,405.25x = 95,779.74 × 37,574.23
  4. Step 4: Simplify right side
    69,405.25x = 3,598,849,980.10
  5. Step 5: Solve for x
    x = 3,598,849,980.10/69,405.25
  6. Step 6: Final answer
    x = 51,852.71

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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.