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Finding the Fourth Proportional to 21,608,903.01, 32,413,409.86 and 8,829,407.71

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Solution

The fourth proportional to 21,608,903.01, 32,413,409.86 and 8,829,407.71 is: 13,244,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608,903.01 : 32,413,409.86 = 8,829,407.71 : x
  2. Step 2: Convert to fraction form
    21,608,903.01/32,413,409.86 = 8,829,407.71/x
  3. Step 3: Cross multiply
    21,608,903.01x = 32,413,409.86 × 8,829,407.71
  4. Step 4: Simplify right side
    21,608,903.01x = 286,191,210,893,946.81
  5. Step 5: Solve for x
    x = 286,191,210,893,946.81/21,608,903.01
  6. Step 6: Final answer
    x = 13,244,134.18

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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.