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Finding the Fourth Proportional to 79,526.61, 119,309.45 and 39,564.45

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Solution

The fourth proportional to 79,526.61, 119,309.45 and 39,564.45 is: 59,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,526.61 : 119,309.45 = 39,564.45 : x
  2. Step 2: Convert to fraction form
    79,526.61/119,309.45 = 39,564.45/x
  3. Step 3: Cross multiply
    79,526.61x = 119,309.45 × 39,564.45
  4. Step 4: Simplify right side
    79,526.61x = 4,720,412,571.23
  5. Step 5: Solve for x
    x = 4,720,412,571.23/79,526.61
  6. Step 6: Final answer
    x = 59,356.39

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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.