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Finding the Fourth Proportional to 68,038.59, 93,860.58 and 58,590.75

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Solution

The fourth proportional to 68,038.59, 93,860.58 and 58,590.75 is: 80,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,038.59 : 93,860.58 = 58,590.75 : x
  2. Step 2: Convert to fraction form
    68,038.59/93,860.58 = 58,590.75/x
  3. Step 3: Cross multiply
    68,038.59x = 93,860.58 × 58,590.75
  4. Step 4: Simplify right side
    68,038.59x = 5,499,361,777.64
  5. Step 5: Solve for x
    x = 5,499,361,777.64/68,038.59
  6. Step 6: Final answer
    x = 80,827.10

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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.