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Finding the Fourth Proportional to 55,897.71, 83,878.86 and 29,602.45

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Solution

The fourth proportional to 55,897.71, 83,878.86 and 29,602.45 is: 44,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,897.71 : 83,878.86 = 29,602.45 : x
  2. Step 2: Convert to fraction form
    55,897.71/83,878.86 = 29,602.45/x
  3. Step 3: Cross multiply
    55,897.71x = 83,878.86 × 29,602.45
  4. Step 4: Simplify right side
    55,897.71x = 2,483,019,611.19
  5. Step 5: Solve for x
    x = 2,483,019,611.19/55,897.71
  6. Step 6: Final answer
    x = 44,420.78

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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.