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Finding the Fourth Proportional to 35,389.76, 48,837.84 and 19,475.24

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Solution

The fourth proportional to 35,389.76, 48,837.84 and 19,475.24 is: 26,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.76 : 48,837.84 = 19,475.24 : x
  2. Step 2: Convert to fraction form
    35,389.76/48,837.84 = 19,475.24/x
  3. Step 3: Cross multiply
    35,389.76x = 48,837.84 × 19,475.24
  4. Step 4: Simplify right side
    35,389.76x = 951,128,337.86
  5. Step 5: Solve for x
    x = 951,128,337.86/35,389.76
  6. Step 6: Final answer
    x = 26,875.81

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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.