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Finding the Fourth Proportional to 53,763.36, 80,645.04 and 25,684.08

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Solution

The fourth proportional to 53,763.36, 80,645.04 and 25,684.08 is: 38,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,763.36 : 80,645.04 = 25,684.08 : x
  2. Step 2: Convert to fraction form
    53,763.36/80,645.04 = 25,684.08/x
  3. Step 3: Cross multiply
    53,763.36x = 80,645.04 × 25,684.08
  4. Step 4: Simplify right side
    53,763.36x = 2,071,293,658.96
  5. Step 5: Solve for x
    x = 2,071,293,658.96/53,763.36
  6. Step 6: Final answer
    x = 38,526.12

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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.