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Finding the Fourth Proportional to 52,293.65, 72,223.99 and 40,499.64

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Solution

The fourth proportional to 52,293.65, 72,223.99 and 40,499.64 is: 55,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.65 : 72,223.99 = 40,499.64 : x
  2. Step 2: Convert to fraction form
    52,293.65/72,223.99 = 40,499.64/x
  3. Step 3: Cross multiply
    52,293.65x = 72,223.99 × 40,499.64
  4. Step 4: Simplify right side
    52,293.65x = 2,925,045,493.11
  5. Step 5: Solve for x
    x = 2,925,045,493.11/52,293.65
  6. Step 6: Final answer
    x = 55,935.01

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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.