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Finding the Fourth Proportional to 64,145.58, 88,518.99 and 35,851.20

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Solution

The fourth proportional to 64,145.58, 88,518.99 and 35,851.20 is: 49,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.58 : 88,518.99 = 35,851.20 : x
  2. Step 2: Convert to fraction form
    64,145.58/88,518.99 = 35,851.20/x
  3. Step 3: Cross multiply
    64,145.58x = 88,518.99 × 35,851.20
  4. Step 4: Simplify right side
    64,145.58x = 3,173,512,014.29
  5. Step 5: Solve for x
    x = 3,173,512,014.29/64,145.58
  6. Step 6: Final answer
    x = 49,473.59

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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.