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Finding the Fourth Proportional to 62,785,407.39, 86,644,869.42 and 34,528,897.01

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Solution

The fourth proportional to 62,785,407.39, 86,644,869.42 and 34,528,897.01 is: 47,650,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,785,407.39 : 86,644,869.42 = 34,528,897.01 : x
  2. Step 2: Convert to fraction form
    62,785,407.39/86,644,869.42 = 34,528,897.01/x
  3. Step 3: Cross multiply
    62,785,407.39x = 86,644,869.42 × 34,528,897.01
  4. Step 4: Simplify right side
    62,785,407.39x = 2,991,751,772,648,078.50
  5. Step 5: Solve for x
    x = 2,991,751,772,648,078.50/62,785,407.39
  6. Step 6: Final answer
    x = 47,650,431.80

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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.