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Finding the Fourth Proportional to 35,681,569.70, 53,522,354.55 and 18,675,457.70

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Solution

The fourth proportional to 35,681,569.70, 53,522,354.55 and 18,675,457.70 is: 28,013,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681,569.70 : 53,522,354.55 = 18,675,457.70 : x
  2. Step 2: Convert to fraction form
    35,681,569.70/53,522,354.55 = 18,675,457.70/x
  3. Step 3: Cross multiply
    35,681,569.70x = 53,522,354.55 × 18,675,457.70
  4. Step 4: Simplify right side
    35,681,569.70x = 999,554,468,402,927.50
  5. Step 5: Solve for x
    x = 999,554,468,402,927.50/35,681,569.70
  6. Step 6: Final answer
    x = 28,013,186.55

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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.