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Finding the Fourth Proportional to 64,459.62, 88,952.88 and 35,777.60

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Solution

The fourth proportional to 64,459.62, 88,952.88 and 35,777.60 is: 49,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,459.62 : 88,952.88 = 35,777.60 : x
  2. Step 2: Convert to fraction form
    64,459.62/88,952.88 = 35,777.60/x
  3. Step 3: Cross multiply
    64,459.62x = 88,952.88 × 35,777.60
  4. Step 4: Simplify right side
    64,459.62x = 3,182,520,582.46
  5. Step 5: Solve for x
    x = 3,182,520,582.46/64,459.62
  6. Step 6: Final answer
    x = 49,372.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.