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Finding the Fourth Proportional to 58,035,672.60, 86,978,859.30 and 35,292,427.80

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Solution

The fourth proportional to 58,035,672.60, 86,978,859.30 and 35,292,427.80 is: 52,893,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,035,672.60 : 86,978,859.30 = 35,292,427.80 : x
  2. Step 2: Convert to fraction form
    58,035,672.60/86,978,859.30 = 35,292,427.80/x
  3. Step 3: Cross multiply
    58,035,672.60x = 86,978,859.30 × 35,292,427.80
  4. Step 4: Simplify right side
    58,035,672.60x = 3,069,695,111,971,608
  5. Step 5: Solve for x
    x = 3,069,695,111,971,608/58,035,672.60
  6. Step 6: Final answer
    x = 52,893,246.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.