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Finding the Fourth Proportional to 47,963,312.40, 67,299,802.80 and 47,963,312.40

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Solution

The fourth proportional to 47,963,312.40, 67,299,802.80 and 47,963,312.40 is: 67,299,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,963,312.40 : 67,299,802.80 = 47,963,312.40 : x
  2. Step 2: Convert to fraction form
    47,963,312.40/67,299,802.80 = 47,963,312.40/x
  3. Step 3: Cross multiply
    47,963,312.40x = 67,299,802.80 × 47,963,312.40
  4. Step 4: Simplify right side
    47,963,312.40x = 3,227,921,466,154,794.50
  5. Step 5: Solve for x
    x = 3,227,921,466,154,794.50/47,963,312.40
  6. Step 6: Final answer
    x = 67,299,802.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.