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Finding the Fourth Proportional to 62,430.40, 93,645.60 and 51,349.60

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Solution

The fourth proportional to 62,430.40, 93,645.60 and 51,349.60 is: 77,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,430.40 : 93,645.60 = 51,349.60 : x
  2. Step 2: Convert to fraction form
    62,430.40/93,645.60 = 51,349.60/x
  3. Step 3: Cross multiply
    62,430.40x = 93,645.60 × 51,349.60
  4. Step 4: Simplify right side
    62,430.40x = 4,808,664,101.76
  5. Step 5: Solve for x
    x = 4,808,664,101.76/62,430.40
  6. Step 6: Final answer
    x = 77,024.40

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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.