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Finding the Fourth Proportional to 65,154.80, 97,665.98 and 25,657.58

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Solution

The fourth proportional to 65,154.80, 97,665.98 and 25,657.58 is: 38,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,154.80 : 97,665.98 = 25,657.58 : x
  2. Step 2: Convert to fraction form
    65,154.80/97,665.98 = 25,657.58/x
  3. Step 3: Cross multiply
    65,154.80x = 97,665.98 × 25,657.58
  4. Step 4: Simplify right side
    65,154.80x = 2,505,872,078.51
  5. Step 5: Solve for x
    x = 2,505,872,078.51/65,154.80
  6. Step 6: Final answer
    x = 38,460.29

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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.