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Finding the Fourth Proportional to 8,899,587.20, 13,349,380.80 and 8,899,587.20

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Solution

The fourth proportional to 8,899,587.20, 13,349,380.80 and 8,899,587.20 is: 13,349,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899,587.20 : 13,349,380.80 = 8,899,587.20 : x
  2. Step 2: Convert to fraction form
    8,899,587.20/13,349,380.80 = 8,899,587.20/x
  3. Step 3: Cross multiply
    8,899,587.20x = 13,349,380.80 × 8,899,587.20
  4. Step 4: Simplify right side
    8,899,587.20x = 118,803,978,495,605.75
  5. Step 5: Solve for x
    x = 118,803,978,495,605.75/8,899,587.20
  6. Step 6: Final answer
    x = 13,349,380.80

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1.5x scale

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.