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Finding the Fourth Proportional to 38,404.76, 57,607.52 and 10,702.76

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Solution

The fourth proportional to 38,404.76, 57,607.52 and 10,702.76 is: 16,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.76 : 57,607.52 = 10,702.76 : x
  2. Step 2: Convert to fraction form
    38,404.76/57,607.52 = 10,702.76/x
  3. Step 3: Cross multiply
    38,404.76x = 57,607.52 × 10,702.76
  4. Step 4: Simplify right side
    38,404.76x = 616,559,460.76
  5. Step 5: Solve for x
    x = 616,559,460.76/38,404.76
  6. Step 6: Final answer
    x = 16,054.25

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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.