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Finding the Fourth Proportional to 61,875.03, 85,387.59 and 33,580.71

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Solution

The fourth proportional to 61,875.03, 85,387.59 and 33,580.71 is: 46,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,875.03 : 85,387.59 = 33,580.71 : x
  2. Step 2: Convert to fraction form
    61,875.03/85,387.59 = 33,580.71/x
  3. Step 3: Cross multiply
    61,875.03x = 85,387.59 × 33,580.71
  4. Step 4: Simplify right side
    61,875.03x = 2,867,375,897.39
  5. Step 5: Solve for x
    x = 2,867,375,897.39/61,875.03
  6. Step 6: Final answer
    x = 46,341.41

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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.