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Finding the Fourth Proportional to 35,475.27, 48,955.88 and 20,368.92

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Solution

The fourth proportional to 35,475.27, 48,955.88 and 20,368.92 is: 28,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,475.27 : 48,955.88 = 20,368.92 : x
  2. Step 2: Convert to fraction form
    35,475.27/48,955.88 = 20,368.92/x
  3. Step 3: Cross multiply
    35,475.27x = 48,955.88 × 20,368.92
  4. Step 4: Simplify right side
    35,475.27x = 997,178,403.25
  5. Step 5: Solve for x
    x = 997,178,403.25/35,475.27
  6. Step 6: Final answer
    x = 28,109.11

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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.