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Finding the Fourth Proportional to 61,746.84, 85,214.57 and 37,870.26

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Solution

The fourth proportional to 61,746.84, 85,214.57 and 37,870.26 is: 52,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,746.84 : 85,214.57 = 37,870.26 : x
  2. Step 2: Convert to fraction form
    61,746.84/85,214.57 = 37,870.26/x
  3. Step 3: Cross multiply
    61,746.84x = 85,214.57 × 37,870.26
  4. Step 4: Simplify right side
    61,746.84x = 3,227,097,732.34
  5. Step 5: Solve for x
    x = 3,227,097,732.34/61,746.84
  6. Step 6: Final answer
    x = 52,263.37

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1.5x scale

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.