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Finding the Fourth Proportional to 32,172.93, 44,403.00 and 18,748.40

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Solution

The fourth proportional to 32,172.93, 44,403.00 and 18,748.40 is: 25,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,172.93 : 44,403.00 = 18,748.40 : x
  2. Step 2: Convert to fraction form
    32,172.93/44,403.00 = 18,748.40/x
  3. Step 3: Cross multiply
    32,172.93x = 44,403.00 × 18,748.40
  4. Step 4: Simplify right side
    32,172.93x = 832,485,079.39
  5. Step 5: Solve for x
    x = 832,485,079.39/32,172.93
  6. Step 6: Final answer
    x = 25,875.32

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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.