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Finding the Fourth Proportional to 65,335.60, 97,857.60 and 53,671.60

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Solution

The fourth proportional to 65,335.60, 97,857.60 and 53,671.60 is: 80,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,335.60 : 97,857.60 = 53,671.60 : x
  2. Step 2: Convert to fraction form
    65,335.60/97,857.60 = 53,671.60/x
  3. Step 3: Cross multiply
    65,335.60x = 97,857.60 × 53,671.60
  4. Step 4: Simplify right side
    65,335.60x = 5,252,173,964.16
  5. Step 5: Solve for x
    x = 5,252,173,964.16/65,335.60
  6. Step 6: Final answer
    x = 80,387.63

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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.