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Finding the Fourth Proportional to 35,607.80, 53,411.70 and 27,313.40

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Solution

The fourth proportional to 35,607.80, 53,411.70 and 27,313.40 is: 40,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.80 : 53,411.70 = 27,313.40 : x
  2. Step 2: Convert to fraction form
    35,607.80/53,411.70 = 27,313.40/x
  3. Step 3: Cross multiply
    35,607.80x = 53,411.70 × 27,313.40
  4. Step 4: Simplify right side
    35,607.80x = 1,458,855,126.78
  5. Step 5: Solve for x
    x = 1,458,855,126.78/35,607.80
  6. Step 6: Final answer
    x = 40,970.10

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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.