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Finding the Fourth Proportional to 74,748.51, 103,094.64 and 47,893.59

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Solution

The fourth proportional to 74,748.51, 103,094.64 and 47,893.59 is: 66,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.51 : 103,094.64 = 47,893.59 : x
  2. Step 2: Convert to fraction form
    74,748.51/103,094.64 = 47,893.59/x
  3. Step 3: Cross multiply
    74,748.51x = 103,094.64 × 47,893.59
  4. Step 4: Simplify right side
    74,748.51x = 4,937,572,419.36
  5. Step 5: Solve for x
    x = 4,937,572,419.36/74,748.51
  6. Step 6: Final answer
    x = 66,055.80

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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.