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Finding the Fourth Proportional to 17,862,405.20, 26,793,607.80 and 17,041,259.60

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Solution

The fourth proportional to 17,862,405.20, 26,793,607.80 and 17,041,259.60 is: 25,561,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,862,405.20 : 26,793,607.80 = 17,041,259.60 : x
  2. Step 2: Convert to fraction form
    17,862,405.20/26,793,607.80 = 17,041,259.60/x
  3. Step 3: Cross multiply
    17,862,405.20x = 26,793,607.80 × 17,041,259.60
  4. Step 4: Simplify right side
    17,862,405.20x = 456,596,826,140,384.94
  5. Step 5: Solve for x
    x = 456,596,826,140,384.94/17,862,405.20
  6. Step 6: Final answer
    x = 25,561,889.40

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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.