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Finding the Fourth Proportional to 64,055.15, 88,396.80 and 35,374.76

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Solution

The fourth proportional to 64,055.15, 88,396.80 and 35,374.76 is: 48,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,055.15 : 88,396.80 = 35,374.76 : x
  2. Step 2: Convert to fraction form
    64,055.15/88,396.80 = 35,374.76/x
  3. Step 3: Cross multiply
    64,055.15x = 88,396.80 × 35,374.76
  4. Step 4: Simplify right side
    64,055.15x = 3,127,015,142.78
  5. Step 5: Solve for x
    x = 3,127,015,142.78/64,055.15
  6. Step 6: Final answer
    x = 48,817.55

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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.