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Finding the Fourth Proportional to 58,002.30, 86,809.05 and 40,506.30

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Solution

The fourth proportional to 58,002.30, 86,809.05 and 40,506.30 is: 60,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,002.30 : 86,809.05 = 40,506.30 : x
  2. Step 2: Convert to fraction form
    58,002.30/86,809.05 = 40,506.30/x
  3. Step 3: Cross multiply
    58,002.30x = 86,809.05 × 40,506.30
  4. Step 4: Simplify right side
    58,002.30x = 3,516,313,422.02
  5. Step 5: Solve for x
    x = 3,516,313,422.02/58,002.30
  6. Step 6: Final answer
    x = 60,623.69

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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.