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Finding the Fourth Proportional to 64,502,338.50, 89,013,227.13 and 35,528,962.50

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Solution

The fourth proportional to 64,502,338.50, 89,013,227.13 and 35,528,962.50 is: 49,029,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,502,338.50 : 89,013,227.13 = 35,528,962.50 : x
  2. Step 2: Convert to fraction form
    64,502,338.50/89,013,227.13 = 35,528,962.50/x
  3. Step 3: Cross multiply
    64,502,338.50x = 89,013,227.13 × 35,528,962.50
  4. Step 4: Simplify right side
    64,502,338.50x = 3,162,547,608,705,752.50
  5. Step 5: Solve for x
    x = 3,162,547,608,705,752.50/64,502,338.50
  6. Step 6: Final answer
    x = 49,029,968.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.