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Finding the Fourth Proportional to 69,391.16, 104,074.90 and 25,009.08

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Solution

The fourth proportional to 69,391.16, 104,074.90 and 25,009.08 is: 37,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,391.16 : 104,074.90 = 25,009.08 : x
  2. Step 2: Convert to fraction form
    69,391.16/104,074.90 = 25,009.08/x
  3. Step 3: Cross multiply
    69,391.16x = 104,074.90 × 25,009.08
  4. Step 4: Simplify right side
    69,391.16x = 2,602,817,500.09
  5. Step 5: Solve for x
    x = 2,602,817,500.09/69,391.16
  6. Step 6: Final answer
    x = 37,509.35

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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.