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Finding the Fourth Proportional to 62,607.90, 86,401.06 and 34,313.60

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Solution

The fourth proportional to 62,607.90, 86,401.06 and 34,313.60 is: 47,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,607.90 : 86,401.06 = 34,313.60 : x
  2. Step 2: Convert to fraction form
    62,607.90/86,401.06 = 34,313.60/x
  3. Step 3: Cross multiply
    62,607.90x = 86,401.06 × 34,313.60
  4. Step 4: Simplify right side
    62,607.90x = 2,964,731,412.42
  5. Step 5: Solve for x
    x = 2,964,731,412.42/62,607.90
  6. Step 6: Final answer
    x = 47,353.95

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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.