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Finding the Fourth Proportional to 58,089.57, 87,123.90 and 15,395.28

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Solution

The fourth proportional to 58,089.57, 87,123.90 and 15,395.28 is: 23,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,089.57 : 87,123.90 = 15,395.28 : x
  2. Step 2: Convert to fraction form
    58,089.57/87,123.90 = 15,395.28/x
  3. Step 3: Cross multiply
    58,089.57x = 87,123.90 × 15,395.28
  4. Step 4: Simplify right side
    58,089.57x = 1,341,296,835.19
  5. Step 5: Solve for x
    x = 1,341,296,835.19/58,089.57
  6. Step 6: Final answer
    x = 23,090.15

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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.