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Finding the Fourth Proportional to 62,995.99, 86,909.53 and 43,870.67

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Solution

The fourth proportional to 62,995.99, 86,909.53 and 43,870.67 is: 60,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,995.99 : 86,909.53 = 43,870.67 : x
  2. Step 2: Convert to fraction form
    62,995.99/86,909.53 = 43,870.67/x
  3. Step 3: Cross multiply
    62,995.99x = 86,909.53 × 43,870.67
  4. Step 4: Simplify right side
    62,995.99x = 3,812,779,091.13
  5. Step 5: Solve for x
    x = 3,812,779,091.13/62,995.99
  6. Step 6: Final answer
    x = 60,524.16

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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.