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Finding the Fourth Proportional to 52,433.65, 72,359.86 and 28,561.87

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Solution

The fourth proportional to 52,433.65, 72,359.86 and 28,561.87 is: 39,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,433.65 : 72,359.86 = 28,561.87 : x
  2. Step 2: Convert to fraction form
    52,433.65/72,359.86 = 28,561.87/x
  3. Step 3: Cross multiply
    52,433.65x = 72,359.86 × 28,561.87
  4. Step 4: Simplify right side
    52,433.65x = 2,066,732,914.54
  5. Step 5: Solve for x
    x = 2,066,732,914.54/52,433.65
  6. Step 6: Final answer
    x = 39,416.16

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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.