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Finding the Fourth Proportional to 64,455.48, 88,963.80 and 37,611.24

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Solution

The fourth proportional to 64,455.48, 88,963.80 and 37,611.24 is: 51,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,455.48 : 88,963.80 = 37,611.24 : x
  2. Step 2: Convert to fraction form
    64,455.48/88,963.80 = 37,611.24/x
  3. Step 3: Cross multiply
    64,455.48x = 88,963.80 × 37,611.24
  4. Step 4: Simplify right side
    64,455.48x = 3,346,038,833.11
  5. Step 5: Solve for x
    x = 3,346,038,833.11/64,455.48
  6. Step 6: Final answer
    x = 51,912.40

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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.