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Finding the Fourth Proportional to 56,957.40, 85,506.30 and 35,897.40

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Solution

The fourth proportional to 56,957.40, 85,506.30 and 35,897.40 is: 53,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,957.40 : 85,506.30 = 35,897.40 : x
  2. Step 2: Convert to fraction form
    56,957.40/85,506.30 = 35,897.40/x
  3. Step 3: Cross multiply
    56,957.40x = 85,506.30 × 35,897.40
  4. Step 4: Simplify right side
    56,957.40x = 3,069,453,853.62
  5. Step 5: Solve for x
    x = 3,069,453,853.62/56,957.40
  6. Step 6: Final answer
    x = 53,890.34

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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.