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Finding the Fourth Proportional to 48,999.60, 73,477.80 and 19,407.60

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Solution

The fourth proportional to 48,999.60, 73,477.80 and 19,407.60 is: 29,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,999.60 : 73,477.80 = 19,407.60 : x
  2. Step 2: Convert to fraction form
    48,999.60/73,477.80 = 19,407.60/x
  3. Step 3: Cross multiply
    48,999.60x = 73,477.80 × 19,407.60
  4. Step 4: Simplify right side
    48,999.60x = 1,426,027,751.28
  5. Step 5: Solve for x
    x = 1,426,027,751.28/48,999.60
  6. Step 6: Final answer
    x = 29,102.84

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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.