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Finding the Fourth Proportional to 39,501,840.60, 55,340,368.20 and 39,501,840.60

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Solution

The fourth proportional to 39,501,840.60, 55,340,368.20 and 39,501,840.60 is: 55,340,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,501,840.60 : 55,340,368.20 = 39,501,840.60 : x
  2. Step 2: Convert to fraction form
    39,501,840.60/55,340,368.20 = 39,501,840.60/x
  3. Step 3: Cross multiply
    39,501,840.60x = 55,340,368.20 × 39,501,840.60
  4. Step 4: Simplify right side
    39,501,840.60x = 2,186,046,403,381,709
  5. Step 5: Solve for x
    x = 2,186,046,403,381,709/39,501,840.60
  6. Step 6: Final answer
    x = 55,340,368.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.