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Finding the Fourth Proportional to 62,640.07, 86,444.42 and 34,343.93

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Solution

The fourth proportional to 62,640.07, 86,444.42 and 34,343.93 is: 47,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640.07 : 86,444.42 = 34,343.93 : x
  2. Step 2: Convert to fraction form
    62,640.07/86,444.42 = 34,343.93/x
  3. Step 3: Cross multiply
    62,640.07x = 86,444.42 × 34,343.93
  4. Step 4: Simplify right side
    62,640.07x = 2,968,841,153.76
  5. Step 5: Solve for x
    x = 2,968,841,153.76/62,640.07
  6. Step 6: Final answer
    x = 47,395.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.