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Finding the Fourth Proportional to 72,409.27, 108,587.27 and 25,012.30

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Solution

The fourth proportional to 72,409.27, 108,587.27 and 25,012.30 is: 37,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,409.27 : 108,587.27 = 25,012.30 : x
  2. Step 2: Convert to fraction form
    72,409.27/108,587.27 = 25,012.30/x
  3. Step 3: Cross multiply
    72,409.27x = 108,587.27 × 25,012.30
  4. Step 4: Simplify right side
    72,409.27x = 2,716,017,248.36
  5. Step 5: Solve for x
    x = 2,716,017,248.36/72,409.27
  6. Step 6: Final answer
    x = 37,509.25

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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.