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Finding the Fourth Proportional to 35,670.65, 49,225.35 and 20,563.20

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Solution

The fourth proportional to 35,670.65, 49,225.35 and 20,563.20 is: 28,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,670.65 : 49,225.35 = 20,563.20 : x
  2. Step 2: Convert to fraction form
    35,670.65/49,225.35 = 20,563.20/x
  3. Step 3: Cross multiply
    35,670.65x = 49,225.35 × 20,563.20
  4. Step 4: Simplify right side
    35,670.65x = 1,012,230,717.12
  5. Step 5: Solve for x
    x = 1,012,230,717.12/35,670.65
  6. Step 6: Final answer
    x = 28,377.14

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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.