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Finding the Fourth Proportional to 8,871,007.30, 13,306,510.95 and 8,871,007.30

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Solution

The fourth proportional to 8,871,007.30, 13,306,510.95 and 8,871,007.30 is: 13,306,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,007.30 : 13,306,510.95 = 8,871,007.30 : x
  2. Step 2: Convert to fraction form
    8,871,007.30/13,306,510.95 = 8,871,007.30/x
  3. Step 3: Cross multiply
    8,871,007.30x = 13,306,510.95 × 8,871,007.30
  4. Step 4: Simplify right side
    8,871,007.30x = 118,042,155,774,979.94
  5. Step 5: Solve for x
    x = 118,042,155,774,979.94/8,871,007.30
  6. Step 6: Final answer
    x = 13,306,510.95

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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.