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Finding the Fourth Proportional to 58,007.80, 86,838.90 and 34,622.20

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Solution

The fourth proportional to 58,007.80, 86,838.90 and 34,622.20 is: 51,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,007.80 : 86,838.90 = 34,622.20 : x
  2. Step 2: Convert to fraction form
    58,007.80/86,838.90 = 34,622.20/x
  3. Step 3: Cross multiply
    58,007.80x = 86,838.90 × 34,622.20
  4. Step 4: Simplify right side
    58,007.80x = 3,006,553,763.58
  5. Step 5: Solve for x
    x = 3,006,553,763.58/58,007.80
  6. Step 6: Final answer
    x = 51,830.16

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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.