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Finding the Fourth Proportional to 35,935.04, 53,901.40 and 9,638.40

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Solution

The fourth proportional to 35,935.04, 53,901.40 and 9,638.40 is: 14,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,935.04 : 53,901.40 = 9,638.40 : x
  2. Step 2: Convert to fraction form
    35,935.04/53,901.40 = 9,638.40/x
  3. Step 3: Cross multiply
    35,935.04x = 53,901.40 × 9,638.40
  4. Step 4: Simplify right side
    35,935.04x = 519,523,253.76
  5. Step 5: Solve for x
    x = 519,523,253.76/35,935.04
  6. Step 6: Final answer
    x = 14,457.29

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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.