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Finding the Fourth Proportional to 60,709.60, 90,924.40 and 58,608.16

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Solution

The fourth proportional to 60,709.60, 90,924.40 and 58,608.16 is: 87,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,709.60 : 90,924.40 = 58,608.16 : x
  2. Step 2: Convert to fraction form
    60,709.60/90,924.40 = 58,608.16/x
  3. Step 3: Cross multiply
    60,709.60x = 90,924.40 × 58,608.16
  4. Step 4: Simplify right side
    60,709.60x = 5,328,911,783.10
  5. Step 5: Solve for x
    x = 5,328,911,783.10/60,709.60
  6. Step 6: Final answer
    x = 87,777.09

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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.