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Finding the Fourth Proportional to 61,877.88, 92,818.64 and 15,130.76

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Solution

The fourth proportional to 61,877.88, 92,818.64 and 15,130.76 is: 22,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,877.88 : 92,818.64 = 15,130.76 : x
  2. Step 2: Convert to fraction form
    61,877.88/92,818.64 = 15,130.76/x
  3. Step 3: Cross multiply
    61,877.88x = 92,818.64 × 15,130.76
  4. Step 4: Simplify right side
    61,877.88x = 1,404,416,565.37
  5. Step 5: Solve for x
    x = 1,404,416,565.37/61,877.88
  6. Step 6: Final answer
    x = 22,696.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.