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Finding the Fourth Proportional to 8,859,358.80, 13,289,038.20 and 4,828,280.40

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Solution

The fourth proportional to 8,859,358.80, 13,289,038.20 and 4,828,280.40 is: 7,242,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,358.80 : 13,289,038.20 = 4,828,280.40 : x
  2. Step 2: Convert to fraction form
    8,859,358.80/13,289,038.20 = 4,828,280.40/x
  3. Step 3: Cross multiply
    8,859,358.80x = 13,289,038.20 × 4,828,280.40
  4. Step 4: Simplify right side
    8,859,358.80x = 64,163,202,675,911.28
  5. Step 5: Solve for x
    x = 64,163,202,675,911.28/8,859,358.80
  6. Step 6: Final answer
    x = 7,242,420.60

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Similar ratio
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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.