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Finding the Fourth Proportional to 61,533.40, 92,300.10 and 30,429.40

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Solution

The fourth proportional to 61,533.40, 92,300.10 and 30,429.40 is: 45,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,533.40 : 92,300.10 = 30,429.40 : x
  2. Step 2: Convert to fraction form
    61,533.40/92,300.10 = 30,429.40/x
  3. Step 3: Cross multiply
    61,533.40x = 92,300.10 × 30,429.40
  4. Step 4: Simplify right side
    61,533.40x = 2,808,636,662.94
  5. Step 5: Solve for x
    x = 2,808,636,662.94/61,533.40
  6. Step 6: Final answer
    x = 45,644.10

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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.