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Finding the Fourth Proportional to 61,547.64, 84,935.80 and 33,253.38

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Solution

The fourth proportional to 61,547.64, 84,935.80 and 33,253.38 is: 45,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,547.64 : 84,935.80 = 33,253.38 : x
  2. Step 2: Convert to fraction form
    61,547.64/84,935.80 = 33,253.38/x
  3. Step 3: Cross multiply
    61,547.64x = 84,935.80 × 33,253.38
  4. Step 4: Simplify right side
    61,547.64x = 2,824,402,433.00
  5. Step 5: Solve for x
    x = 2,824,402,433.00/61,547.64
  6. Step 6: Final answer
    x = 45,889.70

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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.