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Finding the Fourth Proportional to 58,033.69, 79,564.93 and 56,983.93

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Solution

The fourth proportional to 58,033.69, 79,564.93 and 56,983.93 is: 78,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,033.69 : 79,564.93 = 56,983.93 : x
  2. Step 2: Convert to fraction form
    58,033.69/79,564.93 = 56,983.93/x
  3. Step 3: Cross multiply
    58,033.69x = 79,564.93 × 56,983.93
  4. Step 4: Simplify right side
    58,033.69x = 4,533,922,401.57
  5. Step 5: Solve for x
    x = 4,533,922,401.57/58,033.69
  6. Step 6: Final answer
    x = 78,125.70

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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.