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Finding the Fourth Proportional to 32,127, 44,339.93 and 18,512.40

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Solution

The fourth proportional to 32,127, 44,339.93 and 18,512.40 is: 25,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,127 : 44,339.93 = 18,512.40 : x
  2. Step 2: Convert to fraction form
    32,127/44,339.93 = 18,512.40/x
  3. Step 3: Cross multiply
    32,127x = 44,339.93 × 18,512.40
  4. Step 4: Simplify right side
    32,127x = 820,838,520.13
  5. Step 5: Solve for x
    x = 820,838,520.13/32,127
  6. Step 6: Final answer
    x = 25,549.80

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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.