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Finding the Fourth Proportional to 55,807.40, 83,719.20 and 26,226.20

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Solution

The fourth proportional to 55,807.40, 83,719.20 and 26,226.20 is: 39,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,807.40 : 83,719.20 = 26,226.20 : x
  2. Step 2: Convert to fraction form
    55,807.40/83,719.20 = 26,226.20/x
  3. Step 3: Cross multiply
    55,807.40x = 83,719.20 × 26,226.20
  4. Step 4: Simplify right side
    55,807.40x = 2,195,636,483.04
  5. Step 5: Solve for x
    x = 2,195,636,483.04/55,807.40
  6. Step 6: Final answer
    x = 39,343.11

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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.