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Finding the Fourth Proportional to 61,237, 84,541.62 and 46,307.08

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Solution

The fourth proportional to 61,237, 84,541.62 and 46,307.08 is: 63,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,237 : 84,541.62 = 46,307.08 : x
  2. Step 2: Convert to fraction form
    61,237/84,541.62 = 46,307.08/x
  3. Step 3: Cross multiply
    61,237x = 84,541.62 × 46,307.08
  4. Step 4: Simplify right side
    61,237x = 3,914,875,560.67
  5. Step 5: Solve for x
    x = 3,914,875,560.67/61,237
  6. Step 6: Final answer
    x = 63,929.90

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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.