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Finding the Fourth Proportional to 40,485.02, 55,866.92 and 23,487.92

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Solution

The fourth proportional to 40,485.02, 55,866.92 and 23,487.92 is: 32,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.02 : 55,866.92 = 23,487.92 : x
  2. Step 2: Convert to fraction form
    40,485.02/55,866.92 = 23,487.92/x
  3. Step 3: Cross multiply
    40,485.02x = 55,866.92 × 23,487.92
  4. Step 4: Simplify right side
    40,485.02x = 1,312,197,874.58
  5. Step 5: Solve for x
    x = 1,312,197,874.58/40,485.02
  6. Step 6: Final answer
    x = 32,411.94

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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.