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Finding the Fourth Proportional to 52,594.47, 78,828.95 and 30,360.87

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Solution

The fourth proportional to 52,594.47, 78,828.95 and 30,360.87 is: 45,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,594.47 : 78,828.95 = 30,360.87 : x
  2. Step 2: Convert to fraction form
    52,594.47/78,828.95 = 30,360.87/x
  3. Step 3: Cross multiply
    52,594.47x = 78,828.95 × 30,360.87
  4. Step 4: Simplify right side
    52,594.47x = 2,393,315,503.19
  5. Step 5: Solve for x
    x = 2,393,315,503.19/52,594.47
  6. Step 6: Final answer
    x = 45,505.08

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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.