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Finding the Fourth Proportional to 58,658.66, 80,927.73 and 38,526.45

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Solution

The fourth proportional to 58,658.66, 80,927.73 and 38,526.45 is: 53,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,658.66 : 80,927.73 = 38,526.45 : x
  2. Step 2: Convert to fraction form
    58,658.66/80,927.73 = 38,526.45/x
  3. Step 3: Cross multiply
    58,658.66x = 80,927.73 × 38,526.45
  4. Step 4: Simplify right side
    58,658.66x = 3,117,858,143.46
  5. Step 5: Solve for x
    x = 3,117,858,143.46/58,658.66
  6. Step 6: Final answer
    x = 53,152.57

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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.