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Finding the Fourth Proportional to 53,483.60, 80,225.40 and 27,239.60

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Solution

The fourth proportional to 53,483.60, 80,225.40 and 27,239.60 is: 40,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,483.60 : 80,225.40 = 27,239.60 : x
  2. Step 2: Convert to fraction form
    53,483.60/80,225.40 = 27,239.60/x
  3. Step 3: Cross multiply
    53,483.60x = 80,225.40 × 27,239.60
  4. Step 4: Simplify right side
    53,483.60x = 2,185,307,805.84
  5. Step 5: Solve for x
    x = 2,185,307,805.84/53,483.60
  6. Step 6: Final answer
    x = 40,859.40

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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.