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Finding the Fourth Proportional to 64,369.21, 88,829.08 and 35,688.88

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Solution

The fourth proportional to 64,369.21, 88,829.08 and 35,688.88 is: 49,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369.21 : 88,829.08 = 35,688.88 : x
  2. Step 2: Convert to fraction form
    64,369.21/88,829.08 = 35,688.88/x
  3. Step 3: Cross multiply
    64,369.21x = 88,829.08 × 35,688.88
  4. Step 4: Simplify right side
    64,369.21x = 3,170,210,599.19
  5. Step 5: Solve for x
    x = 3,170,210,599.19/64,369.21
  6. Step 6: Final answer
    x = 49,250.42

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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.