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Finding the Fourth Proportional to 67,715.95, 93,463.56 and 45,055.89

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Solution

The fourth proportional to 67,715.95, 93,463.56 and 45,055.89 is: 62,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,715.95 : 93,463.56 = 45,055.89 : x
  2. Step 2: Convert to fraction form
    67,715.95/93,463.56 = 45,055.89/x
  3. Step 3: Cross multiply
    67,715.95x = 93,463.56 × 45,055.89
  4. Step 4: Simplify right side
    67,715.95x = 4,211,083,653.09
  5. Step 5: Solve for x
    x = 4,211,083,653.09/67,715.95
  6. Step 6: Final answer
    x = 62,187.48

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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.