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Finding the Fourth Proportional to 80,413, 110,970.03 and 46,885.48

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Solution

The fourth proportional to 80,413, 110,970.03 and 46,885.48 is: 64,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,413 : 110,970.03 = 46,885.48 : x
  2. Step 2: Convert to fraction form
    80,413/110,970.03 = 46,885.48/x
  3. Step 3: Cross multiply
    80,413x = 110,970.03 × 46,885.48
  4. Step 4: Simplify right side
    80,413x = 5,202,883,122.16
  5. Step 5: Solve for x
    x = 5,202,883,122.16/80,413
  6. Step 6: Final answer
    x = 64,702.01

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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.