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Finding the Fourth Proportional to 61,215.40, 91,844.70 and 59,055.40

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Solution

The fourth proportional to 61,215.40, 91,844.70 and 59,055.40 is: 88,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,215.40 : 91,844.70 = 59,055.40 : x
  2. Step 2: Convert to fraction form
    61,215.40/91,844.70 = 59,055.40/x
  3. Step 3: Cross multiply
    61,215.40x = 91,844.70 × 59,055.40
  4. Step 4: Simplify right side
    61,215.40x = 5,423,925,496.38
  5. Step 5: Solve for x
    x = 5,423,925,496.38/61,215.40
  6. Step 6: Final answer
    x = 88,603.94

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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.