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Finding the Fourth Proportional to 58,621.71, 87,809.55 and 46,082

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Solution

The fourth proportional to 58,621.71, 87,809.55 and 46,082 is: 69,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,621.71 : 87,809.55 = 46,082 : x
  2. Step 2: Convert to fraction form
    58,621.71/87,809.55 = 46,082/x
  3. Step 3: Cross multiply
    58,621.71x = 87,809.55 × 46,082
  4. Step 4: Simplify right side
    58,621.71x = 4,046,439,683.10
  5. Step 5: Solve for x
    x = 4,046,439,683.10/58,621.71
  6. Step 6: Final answer
    x = 69,026.30

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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.