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Finding the Fourth Proportional to 64,243.80, 96,291.18 and 37,970.64

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Solution

The fourth proportional to 64,243.80, 96,291.18 and 37,970.64 is: 56,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,243.80 : 96,291.18 = 37,970.64 : x
  2. Step 2: Convert to fraction form
    64,243.80/96,291.18 = 37,970.64/x
  3. Step 3: Cross multiply
    64,243.80x = 96,291.18 × 37,970.64
  4. Step 4: Simplify right side
    64,243.80x = 3,656,237,730.96
  5. Step 5: Solve for x
    x = 3,656,237,730.96/64,243.80
  6. Step 6: Final answer
    x = 56,911.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.