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Finding the Fourth Proportional to 8,472,426.76, 11,692,019.88 and 4,604,946.88

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Solution

The fourth proportional to 8,472,426.76, 11,692,019.88 and 4,604,946.88 is: 6,354,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472,426.76 : 11,692,019.88 = 4,604,946.88 : x
  2. Step 2: Convert to fraction form
    8,472,426.76/11,692,019.88 = 4,604,946.88/x
  3. Step 3: Cross multiply
    8,472,426.76x = 11,692,019.88 × 4,604,946.88
  4. Step 4: Simplify right side
    8,472,426.76x = 53,841,130,467,303.98
  5. Step 5: Solve for x
    x = 53,841,130,467,303.98/8,472,426.76
  6. Step 6: Final answer
    x = 6,354,865.26

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Double scale
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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.