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Finding the Fourth Proportional to 8,748,413.16, 12,073,390.47 and 4,881,018.03

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Solution

The fourth proportional to 8,748,413.16, 12,073,390.47 and 4,881,018.03 is: 6,736,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,413.16 : 12,073,390.47 = 4,881,018.03 : x
  2. Step 2: Convert to fraction form
    8,748,413.16/12,073,390.47 = 4,881,018.03/x
  3. Step 3: Cross multiply
    8,748,413.16x = 12,073,390.47 × 4,881,018.03
  4. Step 4: Simplify right side
    8,748,413.16x = 58,930,436,567,300.18
  5. Step 5: Solve for x
    x = 58,930,436,567,300.18/8,748,413.16
  6. Step 6: Final answer
    x = 6,736,128.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.