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Finding the Fourth Proportional to 35,886.95, 53,812.33 and 20,898.92

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Solution

The fourth proportional to 35,886.95, 53,812.33 and 20,898.92 is: 31,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,886.95 : 53,812.33 = 20,898.92 : x
  2. Step 2: Convert to fraction form
    35,886.95/53,812.33 = 20,898.92/x
  3. Step 3: Cross multiply
    35,886.95x = 53,812.33 × 20,898.92
  4. Step 4: Simplify right side
    35,886.95x = 1,124,619,579.68
  5. Step 5: Solve for x
    x = 1,124,619,579.68/35,886.95
  6. Step 6: Final answer
    x = 31,337.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.