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Finding the Fourth Proportional to 58,925.95, 80,787.58 and 57,859.79

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Solution

The fourth proportional to 58,925.95, 80,787.58 and 57,859.79 is: 79,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,925.95 : 80,787.58 = 57,859.79 : x
  2. Step 2: Convert to fraction form
    58,925.95/80,787.58 = 57,859.79/x
  3. Step 3: Cross multiply
    58,925.95x = 80,787.58 × 57,859.79
  4. Step 4: Simplify right side
    58,925.95x = 4,674,351,864.82
  5. Step 5: Solve for x
    x = 4,674,351,864.82/58,925.95
  6. Step 6: Final answer
    x = 79,325.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.