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Finding the Fourth Proportional to 5,338,848.16, 8,009,053.08 and 1,551,838.96

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Solution

The fourth proportional to 5,338,848.16, 8,009,053.08 and 1,551,838.96 is: 2,327,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,848.16 : 8,009,053.08 = 1,551,838.96 : x
  2. Step 2: Convert to fraction form
    5,338,848.16/8,009,053.08 = 1,551,838.96/x
  3. Step 3: Cross multiply
    5,338,848.16x = 8,009,053.08 × 1,551,838.96
  4. Step 4: Simplify right side
    5,338,848.16x = 12,428,760,602,252.00
  5. Step 5: Solve for x
    x = 12,428,760,602,252.00/5,338,848.16
  6. Step 6: Final answer
    x = 2,327,985.41

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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.