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Finding the Fourth Proportional to 35,762.30, 49,360.92 and 20,663.72

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Solution

The fourth proportional to 35,762.30, 49,360.92 and 20,663.72 is: 28,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,762.30 : 49,360.92 = 20,663.72 : x
  2. Step 2: Convert to fraction form
    35,762.30/49,360.92 = 20,663.72/x
  3. Step 3: Cross multiply
    35,762.30x = 49,360.92 × 20,663.72
  4. Step 4: Simplify right side
    35,762.30x = 1,019,979,983.02
  5. Step 5: Solve for x
    x = 1,019,979,983.02/35,762.30
  6. Step 6: Final answer
    x = 28,521.10

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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.