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Finding the Fourth Proportional to 38,402.07, 57,603.09 and 10,700.07

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Solution

The fourth proportional to 38,402.07, 57,603.09 and 10,700.07 is: 16,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.07 : 57,603.09 = 10,700.07 : x
  2. Step 2: Convert to fraction form
    38,402.07/57,603.09 = 10,700.07/x
  3. Step 3: Cross multiply
    38,402.07x = 57,603.09 × 10,700.07
  4. Step 4: Simplify right side
    38,402.07x = 616,357,095.22
  5. Step 5: Solve for x
    x = 616,357,095.22/38,402.07
  6. Step 6: Final answer
    x = 16,050.10

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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.