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Finding the Fourth Proportional to 65,798.95, 90,804.92 and 37,500.07

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Solution

The fourth proportional to 65,798.95, 90,804.92 and 37,500.07 is: 51,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,798.95 : 90,804.92 = 37,500.07 : x
  2. Step 2: Convert to fraction form
    65,798.95/90,804.92 = 37,500.07/x
  3. Step 3: Cross multiply
    65,798.95x = 90,804.92 × 37,500.07
  4. Step 4: Simplify right side
    65,798.95x = 3,405,190,668.84
  5. Step 5: Solve for x
    x = 3,405,190,668.84/65,798.95
  6. Step 6: Final answer
    x = 51,751.44

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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.