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Finding the Fourth Proportional to 62,603.12, 93,903.06 and 21,050.12

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Solution

The fourth proportional to 62,603.12, 93,903.06 and 21,050.12 is: 31,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,603.12 : 93,903.06 = 21,050.12 : x
  2. Step 2: Convert to fraction form
    62,603.12/93,903.06 = 21,050.12/x
  3. Step 3: Cross multiply
    62,603.12x = 93,903.06 × 21,050.12
  4. Step 4: Simplify right side
    62,603.12x = 1,976,670,681.37
  5. Step 5: Solve for x
    x = 1,976,670,681.37/62,603.12
  6. Step 6: Final answer
    x = 31,574.64

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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.