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Finding the Fourth Proportional to 5,658,304.64, 8,487,459.70 and 1,871,787.52

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Solution

The fourth proportional to 5,658,304.64, 8,487,459.70 and 1,871,787.52 is: 2,807,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658,304.64 : 8,487,459.70 = 1,871,787.52 : x
  2. Step 2: Convert to fraction form
    5,658,304.64/8,487,459.70 = 1,871,787.52/x
  3. Step 3: Cross multiply
    5,658,304.64x = 8,487,459.70 × 1,871,787.52
  4. Step 4: Simplify right side
    5,658,304.64x = 15,886,721,117,064.83
  5. Step 5: Solve for x
    x = 15,886,721,117,064.83/5,658,304.64
  6. Step 6: Final answer
    x = 2,807,682.18

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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.