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Finding the Fourth Proportional to 58,349.88, 87,468.16 and 46,474.68

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Solution

The fourth proportional to 58,349.88, 87,468.16 and 46,474.68 is: 69,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,349.88 : 87,468.16 = 46,474.68 : x
  2. Step 2: Convert to fraction form
    58,349.88/87,468.16 = 46,474.68/x
  3. Step 3: Cross multiply
    58,349.88x = 87,468.16 × 46,474.68
  4. Step 4: Simplify right side
    58,349.88x = 4,065,054,746.19
  5. Step 5: Solve for x
    x = 4,065,054,746.19/58,349.88
  6. Step 6: Final answer
    x = 69,666.89

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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.