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Finding the Fourth Proportional to 53,970.76, 80,886.76 and 25,848.64

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Solution

The fourth proportional to 53,970.76, 80,886.76 and 25,848.64 is: 38,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.76 : 80,886.76 = 25,848.64 : x
  2. Step 2: Convert to fraction form
    53,970.76/80,886.76 = 25,848.64/x
  3. Step 3: Cross multiply
    53,970.76x = 80,886.76 × 25,848.64
  4. Step 4: Simplify right side
    53,970.76x = 2,090,812,740.01
  5. Step 5: Solve for x
    x = 2,090,812,740.01/53,970.76
  6. Step 6: Final answer
    x = 38,739.73

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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.