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Finding the Fourth Proportional to 52,407.70, 78,615.42 and 14,970.94

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Solution

The fourth proportional to 52,407.70, 78,615.42 and 14,970.94 is: 22,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.70 : 78,615.42 = 14,970.94 : x
  2. Step 2: Convert to fraction form
    52,407.70/78,615.42 = 14,970.94/x
  3. Step 3: Cross multiply
    52,407.70x = 78,615.42 × 14,970.94
  4. Step 4: Simplify right side
    52,407.70x = 1,176,946,735.89
  5. Step 5: Solve for x
    x = 1,176,946,735.89/52,407.70
  6. Step 6: Final answer
    x = 22,457.52

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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.