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Finding the Fourth Proportional to 58,776.10, 87,544.81 and 57,545.91

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Solution

The fourth proportional to 58,776.10, 87,544.81 and 57,545.91 is: 85,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,776.10 : 87,544.81 = 57,545.91 : x
  2. Step 2: Convert to fraction form
    58,776.10/87,544.81 = 57,545.91/x
  3. Step 3: Cross multiply
    58,776.10x = 87,544.81 × 57,545.91
  4. Step 4: Simplify right side
    58,776.10x = 5,037,845,757.23
  5. Step 5: Solve for x
    x = 5,037,845,757.23/58,776.10
  6. Step 6: Final answer
    x = 85,712.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.