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Finding the Fourth Proportional to 58,160.01, 87,240.06 and 18,717.11

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Solution

The fourth proportional to 58,160.01, 87,240.06 and 18,717.11 is: 28,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,160.01 : 87,240.06 = 18,717.11 : x
  2. Step 2: Convert to fraction form
    58,160.01/87,240.06 = 18,717.11/x
  3. Step 3: Cross multiply
    58,160.01x = 87,240.06 × 18,717.11
  4. Step 4: Simplify right side
    58,160.01x = 1,632,881,705.84
  5. Step 5: Solve for x
    x = 1,632,881,705.84/58,160.01
  6. Step 6: Final answer
    x = 28,075.68

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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.