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Finding the Fourth Proportional to 63,750.09, 87,973.87 and 35,455.17

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Solution

The fourth proportional to 63,750.09, 87,973.87 and 35,455.17 is: 48,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,750.09 : 87,973.87 = 35,455.17 : x
  2. Step 2: Convert to fraction form
    63,750.09/87,973.87 = 35,455.17/x
  3. Step 3: Cross multiply
    63,750.09x = 87,973.87 × 35,455.17
  4. Step 4: Simplify right side
    63,750.09x = 3,119,128,516.41
  5. Step 5: Solve for x
    x = 3,119,128,516.41/63,750.09
  6. Step 6: Final answer
    x = 48,927.44

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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.