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Finding the Fourth Proportional to 35,004.48, 48,300.48 and 20,857.92

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Solution

The fourth proportional to 35,004.48, 48,300.48 and 20,857.92 is: 28,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,004.48 : 48,300.48 = 20,857.92 : x
  2. Step 2: Convert to fraction form
    35,004.48/48,300.48 = 20,857.92/x
  3. Step 3: Cross multiply
    35,004.48x = 48,300.48 × 20,857.92
  4. Step 4: Simplify right side
    35,004.48x = 1,007,447,547.80
  5. Step 5: Solve for x
    x = 1,007,447,547.80/35,004.48
  6. Step 6: Final answer
    x = 28,780.53

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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.