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Finding the Fourth Proportional to 72,846.79, 109,335.08 and 37,332.29

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Solution

The fourth proportional to 72,846.79, 109,335.08 and 37,332.29 is: 56,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,846.79 : 109,335.08 = 37,332.29 : x
  2. Step 2: Convert to fraction form
    72,846.79/109,335.08 = 37,332.29/x
  3. Step 3: Cross multiply
    72,846.79x = 109,335.08 × 37,332.29
  4. Step 4: Simplify right side
    72,846.79x = 4,081,729,280.40
  5. Step 5: Solve for x
    x = 4,081,729,280.40/72,846.79
  6. Step 6: Final answer
    x = 56,031.70

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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.