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Finding the Fourth Proportional to 32,894.16, 45,389.88 and 20,952.60

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Solution

The fourth proportional to 32,894.16, 45,389.88 and 20,952.60 is: 28,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,894.16 : 45,389.88 = 20,952.60 : x
  2. Step 2: Convert to fraction form
    32,894.16/45,389.88 = 20,952.60/x
  3. Step 3: Cross multiply
    32,894.16x = 45,389.88 × 20,952.60
  4. Step 4: Simplify right side
    32,894.16x = 951,035,999.69
  5. Step 5: Solve for x
    x = 951,035,999.69/32,894.16
  6. Step 6: Final answer
    x = 28,912.00

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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.