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Finding the Fourth Proportional to 5,871,298.80, 8,806,948.20 and 4,170,687.60

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Solution

The fourth proportional to 5,871,298.80, 8,806,948.20 and 4,170,687.60 is: 6,256,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871,298.80 : 8,806,948.20 = 4,170,687.60 : x
  2. Step 2: Convert to fraction form
    5,871,298.80/8,806,948.20 = 4,170,687.60/x
  3. Step 3: Cross multiply
    5,871,298.80x = 8,806,948.20 × 4,170,687.60
  4. Step 4: Simplify right side
    5,871,298.80x = 36,731,029,651,582.32
  5. Step 5: Solve for x
    x = 36,731,029,651,582.32/5,871,298.80
  6. Step 6: Final answer
    x = 6,256,031.40

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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.