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Finding the Fourth Proportional to 5,658,332.67, 8,487,501.80 and 1,871,815.55

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Solution

The fourth proportional to 5,658,332.67, 8,487,501.80 and 1,871,815.55 is: 2,807,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658,332.67 : 8,487,501.80 = 1,871,815.55 : x
  2. Step 2: Convert to fraction form
    5,658,332.67/8,487,501.80 = 1,871,815.55/x
  3. Step 3: Cross multiply
    5,658,332.67x = 8,487,501.80 × 1,871,815.55
  4. Step 4: Simplify right side
    5,658,332.67x = 15,887,037,798,096.40
  5. Step 5: Solve for x
    x = 15,887,037,798,096.40/5,658,332.67
  6. Step 6: Final answer
    x = 2,807,724.24

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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.