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Finding the Fourth Proportional to 7,365,484.80, 11,029,564.80 and 5,872,492.80

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Solution

The fourth proportional to 7,365,484.80, 11,029,564.80 and 5,872,492.80 is: 8,793,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365,484.80 : 11,029,564.80 = 5,872,492.80 : x
  2. Step 2: Convert to fraction form
    7,365,484.80/11,029,564.80 = 5,872,492.80/x
  3. Step 3: Cross multiply
    7,365,484.80x = 11,029,564.80 × 5,872,492.80
  4. Step 4: Simplify right side
    7,365,484.80x = 64,771,039,875,133.45
  5. Step 5: Solve for x
    x = 64,771,039,875,133.45/7,365,484.80
  6. Step 6: Final answer
    x = 8,793,859.69

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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.