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Finding the Fourth Proportional to 55,802.02, 83,703.03 and 20,750.50

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Solution

The fourth proportional to 55,802.02, 83,703.03 and 20,750.50 is: 31,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,802.02 : 83,703.03 = 20,750.50 : x
  2. Step 2: Convert to fraction form
    55,802.02/83,703.03 = 20,750.50/x
  3. Step 3: Cross multiply
    55,802.02x = 83,703.03 × 20,750.50
  4. Step 4: Simplify right side
    55,802.02x = 1,736,879,724.02
  5. Step 5: Solve for x
    x = 1,736,879,724.02/55,802.02
  6. Step 6: Final answer
    x = 31,125.75

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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.