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Finding the Fourth Proportional to 58,727.05, 88,012.10 and 30,588.05

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Solution

The fourth proportional to 58,727.05, 88,012.10 and 30,588.05 is: 45,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,727.05 : 88,012.10 = 30,588.05 : x
  2. Step 2: Convert to fraction form
    58,727.05/88,012.10 = 30,588.05/x
  3. Step 3: Cross multiply
    58,727.05x = 88,012.10 × 30,588.05
  4. Step 4: Simplify right side
    58,727.05x = 2,692,118,811.91
  5. Step 5: Solve for x
    x = 2,692,118,811.91/58,727.05
  6. Step 6: Final answer
    x = 45,841.21

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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.