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Finding the Fourth Proportional to 38,480, 53,124.44 and 29,333.52

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Solution

The fourth proportional to 38,480, 53,124.44 and 29,333.52 is: 40,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480 : 53,124.44 = 29,333.52 : x
  2. Step 2: Convert to fraction form
    38,480/53,124.44 = 29,333.52/x
  3. Step 3: Cross multiply
    38,480x = 53,124.44 × 29,333.52
  4. Step 4: Simplify right side
    38,480x = 1,558,326,823.23
  5. Step 5: Solve for x
    x = 1,558,326,823.23/38,480
  6. Step 6: Final answer
    x = 40,497.06

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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.