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Finding the Fourth Proportional to 64,146.75, 88,520.98 and 35,855.07

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Solution

The fourth proportional to 64,146.75, 88,520.98 and 35,855.07 is: 49,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,146.75 : 88,520.98 = 35,855.07 : x
  2. Step 2: Convert to fraction form
    64,146.75/88,520.98 = 35,855.07/x
  3. Step 3: Cross multiply
    64,146.75x = 88,520.98 × 35,855.07
  4. Step 4: Simplify right side
    64,146.75x = 3,173,925,491.76
  5. Step 5: Solve for x
    x = 3,173,925,491.76/64,146.75
  6. Step 6: Final answer
    x = 49,479.14

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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.