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Finding the Fourth Proportional to 64,376.40, 88,835.76 and 35,693.76

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Solution

The fourth proportional to 64,376.40, 88,835.76 and 35,693.76 is: 49,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.40 : 88,835.76 = 35,693.76 : x
  2. Step 2: Convert to fraction form
    64,376.40/88,835.76 = 35,693.76/x
  3. Step 3: Cross multiply
    64,376.40x = 88,835.76 × 35,693.76
  4. Step 4: Simplify right side
    64,376.40x = 3,170,882,296.86
  5. Step 5: Solve for x
    x = 3,170,882,296.86/64,376.40
  6. Step 6: Final answer
    x = 49,255.35

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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.