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Finding the Fourth Proportional to 48,985.02, 67,614.48 and 28,840.32

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Solution

The fourth proportional to 48,985.02, 67,614.48 and 28,840.32 is: 39,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,985.02 : 67,614.48 = 28,840.32 : x
  2. Step 2: Convert to fraction form
    48,985.02/67,614.48 = 28,840.32/x
  3. Step 3: Cross multiply
    48,985.02x = 67,614.48 × 28,840.32
  4. Step 4: Simplify right side
    48,985.02x = 1,950,023,239.83
  5. Step 5: Solve for x
    x = 1,950,023,239.83/48,985.02
  6. Step 6: Final answer
    x = 39,808.56

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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.