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Finding the Fourth Proportional to 76,357.55, 114,552.79 and 23,045.08

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Solution

The fourth proportional to 76,357.55, 114,552.79 and 23,045.08 is: 34,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,357.55 : 114,552.79 = 23,045.08 : x
  2. Step 2: Convert to fraction form
    76,357.55/114,552.79 = 23,045.08/x
  3. Step 3: Cross multiply
    76,357.55x = 114,552.79 × 23,045.08
  4. Step 4: Simplify right side
    76,357.55x = 2,639,878,209.77
  5. Step 5: Solve for x
    x = 2,639,878,209.77/76,357.55
  6. Step 6: Final answer
    x = 34,572.59

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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.