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Finding the Fourth Proportional to 39,802.50, 54,927.45 and 23,035.50

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Solution

The fourth proportional to 39,802.50, 54,927.45 and 23,035.50 is: 31,788.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,802.50 : 54,927.45 = 23,035.50 : x
  2. Step 2: Convert to fraction form
    39,802.50/54,927.45 = 23,035.50/x
  3. Step 3: Cross multiply
    39,802.50x = 54,927.45 × 23,035.50
  4. Step 4: Simplify right side
    39,802.50x = 1,265,281,274.48
  5. Step 5: Solve for x
    x = 1,265,281,274.48/39,802.50
  6. Step 6: Final answer
    x = 31,788.99

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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.