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Finding the Fourth Proportional to 63,201.58, 87,210.72 and 34,905.58

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Solution

The fourth proportional to 63,201.58, 87,210.72 and 34,905.58 is: 48,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,201.58 : 87,210.72 = 34,905.58 : x
  2. Step 2: Convert to fraction form
    63,201.58/87,210.72 = 34,905.58/x
  3. Step 3: Cross multiply
    63,201.58x = 87,210.72 × 34,905.58
  4. Step 4: Simplify right side
    63,201.58x = 3,044,140,763.82
  5. Step 5: Solve for x
    x = 3,044,140,763.82/63,201.58
  6. Step 6: Final answer
    x = 48,165.58

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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.