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Finding the Fourth Proportional to 19,210.52, 26,510.50 and 10,378.52

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Solution

The fourth proportional to 19,210.52, 26,510.50 and 10,378.52 is: 14,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.52 : 26,510.50 = 10,378.52 : x
  2. Step 2: Convert to fraction form
    19,210.52/26,510.50 = 10,378.52/x
  3. Step 3: Cross multiply
    19,210.52x = 26,510.50 × 10,378.52
  4. Step 4: Simplify right side
    19,210.52x = 275,139,754.46
  5. Step 5: Solve for x
    x = 275,139,754.46/19,210.52
  6. Step 6: Final answer
    x = 14,322.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.