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Finding the Fourth Proportional to 5,312,886.60, 7,968,474.46 and 1,525,508.04

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Solution

The fourth proportional to 5,312,886.60, 7,968,474.46 and 1,525,508.04 is: 2,288,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,886.60 : 7,968,474.46 = 1,525,508.04 : x
  2. Step 2: Convert to fraction form
    5,312,886.60/7,968,474.46 = 1,525,508.04/x
  3. Step 3: Cross multiply
    5,312,886.60x = 7,968,474.46 × 1,525,508.04
  4. Step 4: Simplify right side
    5,312,886.60x = 12,155,971,855,264.66
  5. Step 5: Solve for x
    x = 12,155,971,855,264.66/5,312,886.60
  6. Step 6: Final answer
    x = 2,288,016.43

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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.