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Finding the Fourth Proportional to 57,472.34, 86,210.93 and 20,036.16

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Solution

The fourth proportional to 57,472.34, 86,210.93 and 20,036.16 is: 30,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472.34 : 86,210.93 = 20,036.16 : x
  2. Step 2: Convert to fraction form
    57,472.34/86,210.93 = 20,036.16/x
  3. Step 3: Cross multiply
    57,472.34x = 86,210.93 × 20,036.16
  4. Step 4: Simplify right side
    57,472.34x = 1,727,336,037.32
  5. Step 5: Solve for x
    x = 1,727,336,037.32/57,472.34
  6. Step 6: Final answer
    x = 30,055.09

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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.