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Finding the Fourth Proportional to 52,673.64, 79,041.64 and 19,417.06

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Solution

The fourth proportional to 52,673.64, 79,041.64 and 19,417.06 is: 29,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,673.64 : 79,041.64 = 19,417.06 : x
  2. Step 2: Convert to fraction form
    52,673.64/79,041.64 = 19,417.06/x
  3. Step 3: Cross multiply
    52,673.64x = 79,041.64 × 19,417.06
  4. Step 4: Simplify right side
    52,673.64x = 1,534,756,266.38
  5. Step 5: Solve for x
    x = 1,534,756,266.38/52,673.64
  6. Step 6: Final answer
    x = 29,137.08

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Why These Related Problems?

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