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Finding the Fourth Proportional to 38,300.48, 52,854.53 and 21,533.48

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Solution

The fourth proportional to 38,300.48, 52,854.53 and 21,533.48 is: 29,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300.48 : 52,854.53 = 21,533.48 : x
  2. Step 2: Convert to fraction form
    38,300.48/52,854.53 = 21,533.48/x
  3. Step 3: Cross multiply
    38,300.48x = 52,854.53 × 21,533.48
  4. Step 4: Simplify right side
    38,300.48x = 1,138,141,964.66
  5. Step 5: Solve for x
    x = 1,138,141,964.66/38,300.48
  6. Step 6: Final answer
    x = 29,716.13

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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.