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Finding the Fourth Proportional to 62,805.30, 86,670.30 and 34,510.38

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Solution

The fourth proportional to 62,805.30, 86,670.30 and 34,510.38 is: 47,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,805.30 : 86,670.30 = 34,510.38 : x
  2. Step 2: Convert to fraction form
    62,805.30/86,670.30 = 34,510.38/x
  3. Step 3: Cross multiply
    62,805.30x = 86,670.30 × 34,510.38
  4. Step 4: Simplify right side
    62,805.30x = 2,991,024,987.71
  5. Step 5: Solve for x
    x = 2,991,024,987.71/62,805.30
  6. Step 6: Final answer
    x = 47,623.77

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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.