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Finding the Fourth Proportional to 16,402,532.40, 24,603,798.60 and 15,457,748.40

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Solution

The fourth proportional to 16,402,532.40, 24,603,798.60 and 15,457,748.40 is: 23,186,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402,532.40 : 24,603,798.60 = 15,457,748.40 : x
  2. Step 2: Convert to fraction form
    16,402,532.40/24,603,798.60 = 15,457,748.40/x
  3. Step 3: Cross multiply
    16,402,532.40x = 24,603,798.60 × 15,457,748.40
  4. Step 4: Simplify right side
    16,402,532.40x = 380,319,328,443,072.25
  5. Step 5: Solve for x
    x = 380,319,328,443,072.25/16,402,532.40
  6. Step 6: Final answer
    x = 23,186,622.60

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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.