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Finding the Fourth Proportional to 8,674,274.32, 11,970,569.40 and 4,806,860.02

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Solution

The fourth proportional to 8,674,274.32, 11,970,569.40 and 4,806,860.02 is: 6,633,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674,274.32 : 11,970,569.40 = 4,806,860.02 : x
  2. Step 2: Convert to fraction form
    8,674,274.32/11,970,569.40 = 4,806,860.02/x
  3. Step 3: Cross multiply
    8,674,274.32x = 11,970,569.40 × 4,806,860.02
  4. Step 4: Simplify right side
    8,674,274.32x = 57,540,851,465,495.38
  5. Step 5: Solve for x
    x = 57,540,851,465,495.38/8,674,274.32
  6. Step 6: Final answer
    x = 6,633,506.08

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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.