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Finding the Fourth Proportional to 64,550.76, 89,055.23 and 47,595.30

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Solution

The fourth proportional to 64,550.76, 89,055.23 and 47,595.30 is: 65,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,550.76 : 89,055.23 = 47,595.30 : x
  2. Step 2: Convert to fraction form
    64,550.76/89,055.23 = 47,595.30/x
  3. Step 3: Cross multiply
    64,550.76x = 89,055.23 × 47,595.30
  4. Step 4: Simplify right side
    64,550.76x = 4,238,610,150.44
  5. Step 5: Solve for x
    x = 4,238,610,150.44/64,550.76
  6. Step 6: Final answer
    x = 65,663.21

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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.