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Finding the Fourth Proportional to 64,827.20, 97,386.60 and 62,348.60

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Solution

The fourth proportional to 64,827.20, 97,386.60 and 62,348.60 is: 93,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,827.20 : 97,386.60 = 62,348.60 : x
  2. Step 2: Convert to fraction form
    64,827.20/97,386.60 = 62,348.60/x
  3. Step 3: Cross multiply
    64,827.20x = 97,386.60 × 62,348.60
  4. Step 4: Simplify right side
    64,827.20x = 6,071,918,168.76
  5. Step 5: Solve for x
    x = 6,071,918,168.76/64,827.20
  6. Step 6: Final answer
    x = 93,663.13

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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.