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Finding the Fourth Proportional to 39,011.68, 53,837.04 and 22,246.24

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Solution

The fourth proportional to 39,011.68, 53,837.04 and 22,246.24 is: 30,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011.68 : 53,837.04 = 22,246.24 : x
  2. Step 2: Convert to fraction form
    39,011.68/53,837.04 = 22,246.24/x
  3. Step 3: Cross multiply
    39,011.68x = 53,837.04 × 22,246.24
  4. Step 4: Simplify right side
    39,011.68x = 1,197,671,712.73
  5. Step 5: Solve for x
    x = 1,197,671,712.73/39,011.68
  6. Step 6: Final answer
    x = 30,700.34

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Half scale
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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.