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Finding the Fourth Proportional to 47,881.32, 65,798.64 and 45,686.01

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Solution

The fourth proportional to 47,881.32, 65,798.64 and 45,686.01 is: 62,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,881.32 : 65,798.64 = 45,686.01 : x
  2. Step 2: Convert to fraction form
    47,881.32/65,798.64 = 45,686.01/x
  3. Step 3: Cross multiply
    47,881.32x = 65,798.64 × 45,686.01
  4. Step 4: Simplify right side
    47,881.32x = 3,006,077,325.03
  5. Step 5: Solve for x
    x = 3,006,077,325.03/47,881.32
  6. Step 6: Final answer
    x = 62,781.84

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.